50 Influential Thought Leaders in Mediation and Conflict Resolution Globally

Last updated: June 2026

The most influential voices in mediation and conflict resolution globally include practitioners, academics, coaches, and peacebuilders who are actively changing how individuals, teams, communities, and nations navigate disagreement. As of June 2026, the field has never been more urgent or more diverse. Instead of recycling the same handful of names that appear on every leadership list, this directory surfaces the leaders who genuinely deserve to be far better known by anyone serious about understanding how conflict works and how to do something constructive with it.

The scale of the problem is not in question. Research by CPM Group estimated that unresolved workplace conflict costs US employers around $359 billion annually in lost productivity, absenteeism, and premature departures, a figure that reflects only the measurable surface of a problem with much deeper roots. A large-scale survey by the Myers-Briggs Company found that approximately 85% of employees deal with some form of conflict at work, yet most organisations respond with either avoidance or formal escalation, both of which produce worse outcomes than early, skilled intervention. In his July-August 2025 Harvard Business Review article "The Conflict-Intelligent Leader," Columbia University's Peter T. Coleman identified conflict intelligence as a distinct and learnable leadership competency, and documented how leaders who develop it outperform those who do not on every measurable dimension of team performance.

The 50 people compiled here span formal mediation practice, workplace conflict consulting, negotiation theory, academic research, international peacebuilding, restorative justice, high-conflict personality management, and the emerging intersection of neuroscience and conflict resolution. As of June 2026, this field is being shaped by practitioners on every continent, and this list reflects that global scope.

For organisations looking to build conflict capability inside their leadership teams, Jonno White, author of Step Up or Step Out (10,000+ copies sold globally) and Certified Working Genius Facilitator, works with corporates, nonprofits, and schools around the world. His keynote "Step Up or Step Out: Conflict Without Confrontation" gives leaders a practical framework for the difficult conversations they have been avoiding.

Email jonno@consultclarity.org for availability, or visit consultclarity.org.

For a practical companion resource, see the blog post '25 Crucial Tips for Handling Difficult Conversations' at https://www.consultclarity.org/post/25-crucial-tips-for-handling-difficult-conversations.

Why Mediation and Conflict Resolution Matter More Than Ever

Effective conflict resolution matters now because the systems most organisations have in place for managing disagreement are fundamentally inadequate for the work environments of 2026. Disciplinary procedures were designed to manage legal risk, not to preserve relationships or restore trust. Avoidance is endemic: research consistently shows that leaders delay difficult conversations not because they lack concern but because they lack a reliable process. The result is what organisational psychologist Liane Davey calls "conflict debt," the accumulated backlog of unresolved disagreements that eventually makes whole teams and cultures dysfunctional.

Peter T. Coleman's research at Columbia University demonstrates that conflict-intelligent leadership is a system of seven distinct behaviours, including building trust before conflict arises, managing the escalation cycle, and using adaptive rather than fixed approaches to disagreement. His evidence, drawn from decades of research into intractable conflicts and published in a 2025 Harvard Business Review article, shows that these behaviours can be identified, trained, and assessed. They are not personality traits. They are skills, which means they can be developed.

At the organisational level, David Liddle's Resolution Framework, developed through The TCM Group in the UK and now used inside FTSE 100 and Fortune 500 organisations globally, provides a structural alternative to discipline and grievance procedures. Where traditional HR systems treat conflict as a legal liability to be managed, the Resolution Framework treats it as an organisational health signal to be understood and addressed. Liddle's approach, which earned him recognition as HR's Most Influential Thinker in 2025, is premised on the idea that most workplace conflict can be resolved constructively without either party losing dignity or trust, if the right conversation happens soon enough.

For teams that need an external facilitator to break a stuck pattern, hire Jonno White to run a Working Genius workshop or DISC session that gives people a shared language for how they work and what they bring to conflict.

Email jonno@consultclarity.org. His book Step Up or Step Out is available on Amazon Australia at https://www.amazon.com.au/Step-Up-Out-Difficult-Conflict/dp/B097X7B5LD

How This List Was Compiled

Each person on this list was selected on three criteria. First, a documented body of contribution to the field, supported by a published book or research, institutional affiliation, professional credentials, a recognised award, or a substantial body of original practice. Second, current active engagement in the field as of 2025 or 2026. Third, geographic and disciplinary diversity, so the list reflects the genuinely global scope of this work rather than privileging one country, tradition, or approach. The list covers formal mediators, workplace conflict consultants, academic researchers, neuroscience-informed practitioners, coaches, and international peacebuilders. It is organised into eight thematic categories to make it navigable as a reading and reference resource.

Category 1: Workplace and Organisational Conflict Resolution

Workplace conflict is the most common and most immediately costly form of conflict most leaders will ever manage, yet most organisations handle it reactively, expensively, and poorly. The practitioners in this category have each made substantial contributions to how organisations understand, prevent, and resolve conflict at the interpersonal and systemic level. Their work spans consulting, training, framework development, and the design of conflict-capable cultures.

The common thread running through this category is a shift from treating conflict as an HR liability to treating it as organisational intelligence. When conflict surfaces, it is usually revealing something real about misalignment, unclear expectations, or unmet needs. The practitioners here have built careers on that insight.

1. David Liddle

Founder and CEO of The TCM Group in the UK, David Liddle has spent more than two decades redesigning how organisations respond to workplace conflict, grievance, and misconduct. His Resolution Framework, created as a structural alternative to traditional discipline and grievance procedures, has been adopted inside numerous FTSE 100 and Fortune 500 organisations and won the National Mediation Award's 2024 Mediation Training Provider of the Year recognition.

In July 2025, Liddle was recognised simultaneously as HR's Most Influential Thinker and Consultant of the Year at the Consultancy Awards, a rare dual recognition reflecting his sustained impact across the HR and dispute resolution communities. He is the author of Managing Conflict (Kogan Page/CIPD), now in its second edition, and Transformational Culture, shortlisted for the 2022 Business Book of the Year. Both works reframe conflict as a driver of organisational learning rather than a threat to manage.

Engage Jonno White for complementary facilitation work:

jonno@consultclarity.org

2. Jeremy Pollack

Dr. Jeremy Pollack is an organisational psychologist and the founder of Pollack Peacebuilding Systems, one of the largest workplace conflict resolution consulting firms in North America. His approach is grounded in the psychology of conflict rather than purely in HR procedure, treating interpersonal disputes through the lens of social dynamics, threat perception, and the neuroscience of de-escalation.

His 2024 book Wired for Peace: Using 7 Neuroscience-Based Principles to Resolve Conflicts draws on predictive-processing theory and the autonomic nervous system to explain why escalation happens and how lasting resolution requires working with biology rather than against it. Pollack served as a research fellow at Stanford University from 2019 to 2021, leading projects at the intersection of social psychology and conflict resolution. His credentials include a PhD in Psychology, a Master's in Negotiation, Conflict Resolution, and Peacebuilding, certification as an Organisational Development Coach, and a current role as Adjunct Professor of Psychology at Arizona College.

3. Kira Nurieli

Kira Nurieli is the CEO of the Harmony Strategies Group in New York, a collective of dispute resolution professionals who approach workplace conflict from organisational psychology and social science rather than a legal standpoint. She holds a Master's degree in Organisational Psychology from Columbia University and has spent over two decades as a mediator, organisational ombudsperson, conflict coach, and facilitator for leaders and teams.

In 2025, Nurieli launched the 3D Harmony MasterClass, a four-session virtual program that blends psychological and sociological principles with practical communication skills for leaders. Her firm specialises in what she describes as human capital risk, the accumulated toll that unresolved interpersonal conflict takes on culture, retention, and performance. She has presented at regional SHRM chapters and national conferences and is a consistently sought speaker on workplace civility and productive team dynamics.

4. Liane Davey

Dr. Liane Davey is a Canadian-based organisational psychologist, co-founder of 3COze Inc., and a New York Times bestselling author. Her 2019 book The Good Fight: Use Productive Conflict to Get Your Team and Organization on Track introduced the concept of "conflict debt," the organisational cost of avoiding necessary disagreements, and made the case that healthy conflict is not something to manage away but something to actively create.

Davey is a regular contributor to the Harvard Business Review and has worked with executive teams at organisations including Amazon, Walmart, TD Bank, Aviva, and Sony PlayStation, drawing on a 20-year career as a C-Suite advisor. The Good Fight was re-released in a new edition in September 2025, reflecting continued demand for her framework. Her doctoral research and practitioner experience both support the same core claim: organisations that learn to fight the right way consistently outperform those that avoid conflict altogether.

For teams looking to build this kind of productive conflict culture, engage Jonno White for a facilitated working session:

jonno@consultclarity.org

5. Kimberly Best

Kimberly Best is the founder of Best Conflict Solutions, a US-based consultancy offering conflict coaching, training, and speaking services primarily to healthcare organisations and HR professionals. With decades of mediation experience, her practice is built on the argument that most workplace conflict management fails because organisations intervene too late, after trust has broken down and positions have hardened.

Best has consistently positioned conflict resolution as a proactive investment in organisational health rather than a reactive response to escalation. In early 2026 she published a comprehensive guide to HR conflict resolution specifically addressing the 2026 workplace context, including hybrid work, diversity dynamics, and the rising complexity of manager-employee relationships. Her LinkedIn presence is consistently active with practitioner-focused content on de-escalation, communication, and the systemic causes of workplace conflict.

6. Tammy Lenski

Dr. Tammy Lenski is a mediator, executive coach, speaker, and the author of The Conflict Pivot (2014), a book used in graduate mediation programs including the master's program at Champlain College. In 2012, the Association for Conflict Resolution honoured her with the Mary Parker Follett Award for innovative and pioneering work in the conflict resolution field, and she became the inaugural member of ACR's Academy of Advanced Practitioners.

Lenski founded her conflict resolution practice in 1997 and has taught in four graduate conflict resolution programs, including Marlboro Graduate School and the Institute for Conflict Management at Lipscomb University. Her current work centres on combining leading-edge research with practitioner experience to help people disagree better at work and home. Her book Making Mediation Your Day Job, now in its third edition, remains the definitive guide for mediators building a private practice.

7. Bill Eddy

Bill Eddy is the co-founder and Chief Innovation Officer of the High Conflict Institute in San Diego and the originator of High Conflict Personality (HCP) Theory, a framework that has transformed how legal, mental health, corporate, and HR professionals understand the most escalated and entrenched conflict cases. He spent 15 years as Senior Family Mediator at the National Conflict Resolution Center, 15 years as a Certified Family Law Specialist, and over a decade as a licensed clinical social worker.

Eddy is the author of more than 20 books, and his training programs have reached professionals in over 35 US states and more than a dozen countries. His BIFF Response method (Brief, Informative, Friendly, Firm) has become a widely used tool for responding to hostile communications without escalating conflict. He served for 16 years on the faculty of the Straus Institute for Dispute Resolution at Pepperdine University School of Law.

For teams navigating entrenched conflict or difficult employees, Jonno White's keynote "Step Up or Step Out: Conflict Without Confrontation" provides a leadership-focused practical complement:

jonno@consultclarity.org

8. Megan Hunter

Megan Hunter is the co-founder and CEO of the High Conflict Institute, and co-host of the widely followed podcast It's All Your Fault! alongside Bill Eddy. She has presented in more than 15 countries, educating legal, mental health, corporate, government, and educational professionals on practical methods for understanding and managing high-conflict behaviour.

Hunter has co-authored several influential books including BIFF at Work, The High-Conflict Co-Parenting Survival Guide, and Dating Radar. As CEO, she has built the High Conflict Institute into a globally recognised training and consulting firm with reach across the USA, UK, Canada, and Australia. Her focus on practical, research-backed approaches to the most difficult human conflicts makes her work indispensable for HR professionals, lawyers, and leaders dealing with persistent, resistant interpersonal dynamics.

Category 2: Negotiation, Dialogue, and the Harvard School

The Harvard Negotiation Project and its alumni represent the single most influential intellectual tradition in modern conflict resolution. The practitioners in this category have each extended, applied, or challenged the foundations of principled negotiation, generating frameworks that are now standard in law schools, business schools, and leadership development programs globally.

The core insight that launched this tradition, articulated in Getting to Yes by Roger Fisher, William Ury, and Bruce Patton, is that positions are what people say they want, while interests are why they want it. Separating the two makes resolution not just possible but generative. The people in this category have built entire careers on exploring, testing, and extending that distinction.

9. Sheila Heen

Sheila Heen is the Thaddeus R. Beal Professor of Practice at Harvard Law School and a Deputy Director of the Harvard Negotiation Project, where she has been developing negotiation theory and practice since 1995. She is the co-author, with Douglas Stone and Bruce Patton, of Difficult Conversations: How to Discuss What Matters Most, now in its fully revised third edition published in 2023, and co-author with Douglas Stone of Thanks for the Feedback: The Science and Art of Receiving Feedback Well, both New York Times bestsellers.

Heen is the co-founder of Triad Consulting Group, which serves clients on six continents including Pixar, the NBA, the Federal Reserve Bank, Ford, and the Singapore Supreme Court. She specialises in emotionally charged negotiations and strained relationships, a focus that makes her work especially relevant to leaders navigating high-stakes team dynamics and organisational transitions. She continues to teach and develop the Difficult Conversations program at Harvard's Program on Negotiation, running advanced courses as recently as March 2026.

10. Bob Bordone

Robert Bordone is a Senior Fellow at Harvard Law School, founder of the Cambridge Negotiation Institute, and founder of the Harvard Negotiation and Mediation Clinical Program, where he served on full-time faculty for more than 20 years. In 2025, he was selected as one of the Top 30 Negotiation Professionals in the world by Global Gurus.

His 2025 book Conflict Resilience: Negotiating Disagreement Without Giving Up or Giving In (HarperCollins), co-authored with Joel Salinas MD, became a USA Today bestseller. The book frames conflict resilience as a distinct set of trainable skills for engaging disagreement without capitulating or hardening. Bordone has worked with clients including Microsoft, Google, Delta Airlines, the International Criminal Court, and the Swiss Foreign Ministry. He also serves as Director of the Consensus Building Institute Professional Development Academy and Adjunct Professor at Georgetown University Law Center.

11. Douglas Stone

Douglas Stone is a Lecturer on Law at Harvard Law School, co-founder of Triad Consulting Group, and co-author of Difficult Conversations: How to Discuss What Matters Most with Sheila Heen and Bruce Patton, and Thanks for the Feedback with Sheila Heen. He has been associated with the Harvard Negotiation Project for more than 30 years, and continues to co-teach the Difficult Conversations programme alongside Heen.

Stone's core contribution to the field is the architectural model of difficult conversations: the idea that every difficult conversation actually involves three simultaneous conversations, the substance conversation, the feelings conversation, and the identity conversation, and that failure to distinguish them is the primary reason conversations go wrong. His work continues to shape how negotiation and communication are taught in law schools, business schools, and leadership programs on six continents.

12. William Ury

William Ury is the co-founder of Harvard's Program on Negotiation and a Distinguished Senior Fellow of the Harvard Negotiation Project. He is the co-author, with Roger Fisher and Bruce Patton, of Getting to Yes: Negotiating Agreement Without Giving In, translated into more than 30 languages, and the sole author of Getting Past No, The Power of a Positive No, The Third Side, and Getting to Yes with Yourself.

Over four decades, Ury has served as a negotiation adviser and mediator in conflicts including the Cold War, ethnic and civil wars in the Balkans, the Middle East, Chechnya, and Colombia. He co-founded the International Negotiation Network with former President Jimmy Carter, an organisation focused on resolving civil wars globally. He continues to teach at Harvard and was active on LinkedIn in 2025, speaking at the Abraham Path Initiative and running public webinars on navigating conflict during polarised times.

13. Bruce Patton

Bruce Patton is co-founder and Distinguished Fellow of the Harvard Negotiation Project, and a founding partner of Vantage Partners, a management consulting firm. He is co-author with Roger Fisher and William Ury of Getting to Yes: Negotiating Agreement Without Giving In (Penguin, 3rd edition, 2011), and co-author with Douglas Stone and Sheila Heen of Difficult Conversations: How to Discuss What Matters Most.

Patton pioneered the teaching of negotiation at Harvard Law School, where he has taught since 1981. Working alongside Roger Fisher, he helped create the framework of principled negotiation and has tested its application through work on complex public conflicts including Central American peace negotiations and post-apartheid South Africa. He helped advise all parties in South Africa during the 1990-92 transition period and contributed to the framework that governed the resolution of the US-Iranian hostage conflict.

14. Alexandra Carter

Alexandra Carter is the Everett B. Birch Innovative Teaching Clinical Professor of Law and Director of the Mediation Clinic at Columbia Law School, where she has been training students in alternative dispute resolution since 2008. In 2019, Columbia University awarded her its Presidential Award for Outstanding Teaching. Her 2020 book Ask for More: Ten Questions to Negotiate Anything (Simon and Schuster) became a Wall Street Journal Business bestseller, the first negotiation book solo-authored by a woman to make that list.

Carter is a world-renowned trainer for the United Nations, having conducted dozens of workshops for more than 80 nations, and has also trained professionals at Bloomberg, Comcast NBCUniversal, Amazon, and Microsoft. Her ten-question framework reframes negotiation away from competition and toward a collaborative inquiry model that centres on understanding the other party's needs. She continues to teach at Columbia Law School and provides keynotes and small-group workshops to a wide range of private and public sector clients.

15. Peter T. Coleman

Professor Peter T. Coleman directs the Morton Deutsch International Center for Cooperation and Conflict Resolution at Teachers College, Columbia University, and serves as co-director of the Advanced Consortium on Cooperation, Conflict, and Complexity. He is a member of the UN Mediation Support Unit's Academic Advisory Council, a New York State certified mediator, a founding board member of the Gbowee Peace Foundation USA, and the editor of the award-winning Handbook of Conflict Resolution: Theory and Practice.

His 2021 book The Way Out: How to Overcome Toxic Polarization (Columbia University Press) was widely praised as essential reading for leaders navigating deeply divided organisations or communities, with a second edition in development for 2026. His July-August 2025 Harvard Business Review article "The Conflict-Intelligent Leader" introduced seven evidence-based strategies for conflict-intelligent leadership, drawing on decades of research into intractable conflict, mediation dynamics, and sustainable peace. Coleman's research has received major awards from the American Psychological Association and the International Association of Conflict Management.

Category 3: Formal Mediation Practice and Professional Standards

Mediation as a profession depends not only on skilled individuals but on the infrastructure that makes it reliable: training standards, ethical frameworks, quality benchmarks, and institutional credibility. The people in this category have invested significantly in building the profession itself, not merely in practising within it. Several hold "Global Elite Thought Leader" designations from the world's leading ADR research organisations.

The formal mediation tradition extends from commercial disputes through family law, employment, community conflict, and international diplomacy. What the practitioners in this category share is a commitment to the craft itself: the deep skill of creating conditions in which people who see things very differently can find a way forward together.

16. Kenneth Cloke

Dr. Kenneth Cloke is the Director of the Center for Dispute Resolution in Santa Monica and the founder and first President of Mediators Beyond Borders International. For more than 40 years he has worked as a mediator, arbitrator, attorney, coach, consultant, and trainer in over 25 countries including Armenia, Australia, India, Japan, Ukraine, Zimbabwe, and the Netherlands.

His book The Crossroads of Conflict: A Journey into the Heart of Dispute Resolution remains a foundational text in mediator training programs globally. He holds adjunct professorships at Pepperdine University's School of Law Strauss Institute and has taught at Harvard Law School, the University of Amsterdam ADR Institute, and Massey University in New Zealand. His January 2026 lecture series "Mediators Together: Non-Violence Today" reflects his ongoing conviction that conflict, navigated with skill, can be a transformational process that deepens rather than damages human relationships.

17. Gary Friedman

Gary Friedman is a pioneer of the understanding-based model of mediation and co-founder of the Center for Understanding in Conflict. His book Challenging Conflict: Mediation Through Understanding, co-authored with Jack Himmelstein, argues that resolution without genuine understanding is unstable, and that effective mediation must help parties understand how the other side sees the problem before agreement is possible. Stanford's Norman Spaulding described it as one of the most important contemporary books in the conflict resolution field.

Friedman's model prioritises self-determination and insight over the mediator's directive power, and has been applied to complex family, business, and community disputes across decades of practice. His work directly influenced Amanda Ripley's treatment of Friedman in High Conflict (2021), which tells the instructive story of Friedman falling into exactly the adversarial dynamics he had spent a career helping others avoid, then finding his way out. It is a story about what conflict does to even the most experienced practitioners, and why the field's insights matter personally as well as professionally.

18. John Sturrock KC

John Sturrock KC is the founder and senior mediator at Core Solutions Group in Edinburgh and has also mediated through Brick Court Chambers in London. Legal 500 has described him as "universally regarded as Scotland's finest mediator, with a reputation which compares favourably with mediators anywhere." He is consistently identified as a "Global Elite Thought Leader" in mediation by the Lexology/Who's Who Legal directories, including in their most recent assessment.

For over 20 years, Sturrock has been a pioneer of commercial, professional, public sector, and political mediation in the UK. He advised the Scottish Government on the design of the first Citizens Assembly in Scotland, authored the 2019 Sturrock Report on NHS Highland, and founded Collaborative Scotland to promote non-partisan dialogue on difficult issues. His Kluwer Mediation Blog posts as recently as March 2026 reflect an ongoing commitment to public thinking about the future of the mediation field.

19. Bill Marsh

Bill Marsh is one of the most experienced commercial mediators in Europe, having been involved full-time in mediation since 1991. He is consistently ranked in the top tier of all major international ADR directories including Legal 500, Chambers Directory, and Who's Who Legal/Lexology, and features annually as a "Global Elite Thought Leader" in mediation. He was named Mediator of the Year by Who's Who Legal in 2024, 2023, 2022, 2019, and 2014.

Based in London and operating internationally, Marsh has conducted mediations involving parties from more than 50 countries. His practice spans commercial, professional, corporate, and insurance disputes across the UK and internationally. His reputation is built on what clients and peers consistently describe as a combination of deep commercial acumen, neutrality, and an ability to maintain momentum toward resolution in highly complex, high-value disputes.

20. Alan Limbury

Alan Limbury is a pioneer of mediation in Australia and one of the most decorated commercial mediators in the Asia-Pacific region. He established the first ADR practice group in an Australian law firm and was a founder and former Chairman of LEADR (now Resolution Institute). Who's Who Legal in 2019 named him one of Australia's three "Most Highly Regarded" mediators "for their expertise in handling sophisticated disputes across a wide range of industries," and he was recognised as one of the Asia-Pacific Global Elite Thought Leaders in mediation in 2021.

Operating through Strategic Resolution, Limbury has mediated over 3,000 commercial and intellectual property disputes in Australia, New Zealand, and the UK. His early institutional work in establishing the ADR movement in Australia, combined with his sustained practice over more than three decades, makes him one of the true builders of dispute resolution infrastructure in the southern hemisphere.

21. Jeff Thompson

Jeff Thompson is a detective and mediator with the New York City Police Department, an Adjunct Associate Research Scientist at Columbia University, and the founder of the Enjoy Mediation educational platform, which the International Mediation Institute has listed as a leading resource in the field. He works at a genuinely unique intersection: applying conflict resolution and mediation principles to some of the highest-stakes, most volatile interpersonal situations that exist in any professional context.

Thompson has written and spoken extensively about how the same skills that help in formal mediation, listening beneath the stated position, finding what is really at stake, managing emotional escalation, work just as well in law enforcement, crisis negotiation, and community conflict. He has contributed to mediation training and research at Columbia University and spoken at national and international dispute resolution conferences about the transferability of mediation skills across contexts.

Category 4: Conflict Resolution Leadership and Facilitation Practice

This category covers practitioners whose primary contribution is in the practical delivery of conflict resolution, facilitation, and leadership development inside organisations and communities. They include consultants who build conflict systems, coaches who work with individual leaders, and facilitators who run the sessions that change how groups work.

The practitioners here share a commitment to what actually works in practice, not only in theory. Their combined experience spans tens of thousands of hours of facilitation, mediation, and coaching across every type of organisation, from Fortune 500 corporations to community nonprofits to schools.

22. Jonno White

Jonno White is the author of Step Up or Step Out (10,000+ copies sold globally), a Certified Working Genius Facilitator, and the host of The Leadership Conversations Podcast (230+ episodes). His keynote "Step Up or Step Out: Conflict Without Confrontation" is built for leaders who know they need to address difficult conversations with staff, peers, or boards but have been avoiding them, a group that, according to his experience facilitating hundreds of sessions globally, represents the majority of leaders at every level.

White's framework gives leaders a three-stage process for naming the issue, having the conversation, and creating clear agreements, without destroying the relationship or creating confrontation. He achieved a 93.75% satisfaction rating for his Working Genius masterclass at the ASBA 2025 National Conference and works with schools, corporates, and nonprofits globally through Consult Clarity. He is available for keynote speaking, executive offsites, and facilitated Working Genius and DISC workshops globally.

Email jonno@consultclarity.org or visit consultclarity.org.

23. Bernard Mayer

Professor Bernard Mayer is a founding partner of CDR Associates, one of the leading conflict resolution firms in North America, and a Professor of Dispute Resolution at the Werner Institute at Creighton University. He is the author of several books on conflict resolution including The Dynamics of Conflict Resolution and Staying with Conflict: A Strategic Approach to Ongoing Disputes, which introduced the concept that some conflicts cannot and should not be resolved but must instead be managed as ongoing realities.

Mayer's work challenges a fundamental assumption in the conflict resolution field: that resolution is always the goal. His argument that some conflicts reflect enduring differences in values, identity, or interest, and that the appropriate goal may be to help parties live with conflict constructively rather than eliminate it, has influenced both academic thinking and practitioner approaches to long-term organisational disputes and public policy conflicts.

24. Harris Hoss

Harris Hoss is a Texas-based attorney-mediator and a recognised practitioner in the US alternative dispute resolution community. She serves as Budget Officer for the ABA Section of Dispute Resolution for the 2025-2026 term, and in April 2026 co-presented at the Association of Attorney-Mediators Spring Advance Training and Annual Meeting on the topic of negotiation ethics when neither party can back down. She is also a regular faculty member at the Houston Bar Association's ADR Section Advanced CLE programs.

Hoss has been a consistent contributor to practitioner education in mediation ethics, negotiation timing, and the strategic dimensions of commercial mediation. Her podcast conversation recorded in March 2026 on whether resolving conflict faster is about fighting harder or thinking differently reflects her focus on the mindset dimensions of dispute resolution practice, not just the technical skills.

25. Grande Lum

Grande Lum is the Provost and Vice President of Academic Affairs at Menlo College and a former Director of the Community Relations Service of the US Department of Justice, the federal agency charged with facilitating the resolution of community conflicts involving race, colour, and national origin. He previously served at the US Institute for Environmental Conflict Resolution and has been involved in ADR education and practice for more than two decades.

Lum's work spans academic leadership, government service, and community conflict, making him one of the few figures in the field who has operated credibly across all three domains. His work at the DOJ Community Relations Service represented some of the most consequential applied conflict resolution in the US, where the stakes were directly linked to community safety and social cohesion.

26. Melody Wang

Melody Wang is the CEO of Wang Mediation and a Conflict Consultant with the Harmony Strategies Group in New York. She is a panel mediator for the New York City Family Court and serves on the Board of Directors of the Association for Conflict Resolution, Greater New York (ACR-GNY). She earned her MA in Alternative Dispute Resolution from the University of Southern California Gould School of Law.

Wang's work embodies the community-facing dimension of conflict resolution: the mediations that happen outside commercial disputes, in family courts, small claims, and neighbourhood settings, where the people involved often have no access to legal representation and the outcome has immediate consequences for their daily lives. Her leadership role at ACR-GNY reflects her commitment to building the infrastructure of the conflict resolution profession, not only the practice.

27. Laura Grisolano

Laura Grisolano is the Executive Director of the Southern California Mediation Association (SCMA) and has been a practitioner and community builder in the dispute resolution field for over 15 years. In 2026, SCMA expanded beyond Southern California into a statewide organisation, a growth initiative she led by opening the 2026 Family Mediation Institute to mediators statewide at no cost.

Her commitment to expanding access to dispute resolution education and community reflects a broader principle she applies in her practice: that the quality and reach of the mediation field depends not just on individual practitioners but on the health of the professional community. Her active LinkedIn presence documents her engagement with practitioners, educators, and organisational leaders across the field.

28. Rory Gowers

Rory Gowers is a Transformation Architect and Principal of The Constructive Solution in Australia, specialising in intercultural dispute resolution. He holds a Master of Dispute Resolution from UNSW and a Master of Education from UTS, and has accumulated over 1,000 hours of mediation practice. He also serves as Australasian Ambassador for Medianos, an innovative Italian conflict resolution educational tool now available in Australia and New Zealand.

Gowers has contributed original thinking to the Australian ADR Research Network on questions of mediator neutrality and the challenges of intercultural mediation. His work on "role contamination" in mediation, the ways mediators can inadvertently take on roles that compromise their neutrality, has been published as academic articles and applied in practitioner training. His cross-disciplinary background in dispute resolution and education makes him a distinctive voice in the ANZ mediation community.

Category 5: Academic Research and Evidence-Based Practice

The conflict resolution field benefits from a strong research tradition that goes beyond anecdote and intuition. The scholars in this category have produced empirical work that underpins how practitioners understand, measure, and improve conflict processes. Their contributions span peacebuilding research, cross-cultural mediation, international conflict data, and the pedagogy of dispute resolution.

Research in this field is genuinely difficult. Conflict is often private, sensitive, and context-dependent, making systematic study challenging. The scholars here have invested careers in doing that study rigorously, and their findings have shaped how the practitioner community thinks about what works and why.

29. Mohammed Abu-Nimer

Mohammed Abu-Nimer is a Professor of International Peace and Conflict Resolution at American University's School of International Service and a globally recognised scholar and practitioner in peace education, intercultural conflict resolution, and dialogue facilitation. He received the 2025 Award for Excellence from the Peace and Justice Studies Association, one of the field's highest recognitions for sustained contribution.

Abu-Nimer has authored multiple books on dialogue, conflict resolution, and social change, including Dialogue, Conflict Resolution, and Change: Arab-Jewish Encounters in Israel and Reconciliation, Justice, and Coexistence: Theory and Practice. His work bridges scholarship and practice, drawing on field experience in deeply divided communities to produce research that practitioners can actually use. His focus on intercultural and interfaith dimensions of conflict resolution addresses some of the most challenging and underserved areas of the field.

30. Dale Bagshaw

Professor Dale Bagshaw is an Australian-based academic and practitioner who edited Mediation in the Asia Pacific Region: Transforming Conflict and Building Peace (Routledge, 2009), co-edited with Elisabeth Porter, one of the defining reference works for dispute resolution practice in the Asia-Pacific context. Her work addresses the structural and cultural conditions under which mediation either serves or fails communities, including questions of power, gender, and local ownership.

Bagshaw has published extensively on how Western constructs of mediation translate, or fail to translate, into Asia-Pacific settings, a question that has become more practically urgent as mediation institutions in the region continue to expand. Her research has shaped how mediator training programs in Australia, New Zealand, and Southeast Asia approach cultural adaptation and community ownership.

31. Isak Svensson

Professor Isak Svensson is a conflict researcher at Uppsala University in Sweden and a leading expert on international mediation, peace processes, and civil war termination. He is a co-editor of Conflict Mediation in the Arab World (Syracuse University Press) alongside Ibrahim Fraihat, Peter Wallensteen, and others, a volume that provides rigorous case-study analysis of mediation attempts in one of the world's most conflict-affected regions.

Svensson's empirical research has been published in leading journals in international relations and conflict studies, and he has contributed to datasets on armed conflict and peace processes that are widely used by both researchers and policymakers. His scholarly work is complemented by engagement with practitioners and policymakers working on active conflicts, particularly in the Middle East and Africa.

32. Peter Wallensteen

Professor Peter Wallensteen is Senior Professor of Peace and Conflict Research at Uppsala University in Sweden and one of the founders of modern empirical conflict research. He created the Uppsala Conflict Data Program (UCDP), which has produced the most widely used systematic data on armed conflict globally, and has influenced how the international community measures, monitors, and responds to conflict at scale.

His books include Understanding Conflict Resolution (Sage), now in multiple editions, which is used as a standard textbook in conflict resolution programs globally. Wallensteen's contribution to the field spans five decades and encompasses both foundational empirical work and applied engagement with international organisations working on conflict prevention and resolution. His work provides the quantitative scaffolding on which much of the field's understanding of what works in mediation and peacebuilding rests.

33. Alain Lempereur

Professor Alain Lempereur is the Alan B. Slifka Chair on Conflict Resolution and Co-existence at Brandeis University's International Business School and co-faculty of the Harvard Mediation Intensive alongside Audrey Lee, which runs as part of Harvard Law School's Program on Negotiation. He is a former President of the International Association for Conflict Management and has been involved in mediation and negotiation training and practice in more than 50 countries.

Lempereur has authored or co-authored more than 10 books on negotiation, mediation, and conflict resolution in French, English, and Spanish, and his work has been recognised with multiple teaching and scholarship awards. His contribution to the field spans executive education, academic scholarship, and direct engagement with negotiators and mediators working on real conflicts, including in Latin America and Europe.

34. Lior Frankiensztajn

Lior Frankiensztajn is the 2024-2025 Roger Fisher Fellow in Negotiation and Conflict Resolution at Harvard Law School and a Senior Affiliate at the Harvard International Negotiation Program. His work focuses on fostering conditions for negotiated outcomes in complex, multi-party conflicts, with a specific focus on the Middle East. He has spent over 20 years working at the intersection of conflict, strategy, and negotiation, including direct involvement in unconventional strategic processes within factions, organisations, and between adversaries.

Frankiensztajn holds an MC-MPA from Harvard Kennedy School and a BA in Government, Diplomacy, and Strategy from Reichman University in Israel. His research and practice bridge the gap between academic negotiation theory and the real-world conditions under which parties in entrenched conflicts either find a way to engage or refuse to. His work on creating new possibilities for improved relations in complex conflict environments represents some of the most challenging and important applied work in the field.

Category 6: International and Cross-Cultural Peacebuilding

Conflict resolution in the international arena operates at a different scale and under different pressures than workplace or community conflict. The practitioners and scholars in this category work at the intersection of diplomacy, peacebuilding, culture, and institutional design, with experience in some of the world's most complex and enduring conflicts.

What makes this category particularly important in 2026 is the growing recognition that mediation capacity must be built in and by communities themselves, not only delivered by external experts. The people here reflect both the traditional institutional tradition of international mediation and the emerging school of locally-owned and culturally grounded peacebuilding.

35. Nadja Alexander

Professor Nadja Alexander is the Director of the Singapore International Dispute Resolution Academy (SIDRA) at Singapore Management University and a globally recognised authority on international mediation law, policy, and practice. Who's Who Legal consistently recognises her as a global thought leader in dispute resolution, and she received the inaugural Award for Outstanding International ADR Educator from the Asia Pacific Centre for Arbitration and Mediation in 2023.

Alexander has been engaged in dispute resolution settings in more than 40 countries as trainer, policy adviser, scholar, and practitioner. Her co-authored commentary The Singapore Convention on Mediation (Wolters Kluwer, 2022) provides the definitive scholarly analysis of the landmark international treaty. She advises the World Bank, the OSCE, and the International Bar Association on dispute resolution policy, and holds positions on the international mediation panels of Singapore, Hong Kong, and Australia.

36. Sarah Barclay

Sarah Barclay is the founder of the Medical Mediation Foundation in the UK and a leading voice on embedding conflict management and mediation skills into healthcare settings. Speaking at the 2025 Civil Mediation Council conference, she addressed how communication breakdown between parents and health professionals in clinical territory, particularly in paediatric end-of-life cases, requires a mediation capacity that most NHS and healthcare organisations do not currently have.

Barclay's work sits at a particularly human intersection: the point where medical disagreement and family grief collide in settings where the stakes are irreversible. Her advocacy for systemic change in how healthcare institutions manage conflict between clinical teams and families has influenced policy discussions in the UK and beyond, and represents one of the most important applications of mediation principles outside the commercial and legal sphere.

37. Kelly Stricklin-Coutinho

Kelly Stricklin-Coutinho is a UK barrister and senior mediation leader who joined John Sturrock KC and Andrea O'Neill on the Edinburgh Declaration panel at the 2025 Civil Mediation Council conference, discussing the vision and real-world implications of that landmark statement on the future of mediation. She is an active voice in the UK dispute resolution community and contributes to the professional development and standards discussions that shape how mediation is practised and regulated.

Her work reflects the barrister-to-mediator tradition that has been particularly productive in UK dispute resolution, bringing legal acuity to the mediation room while maintaining the neutrality and process orientation that formal mediation requires. She remains an active practitioner and advocate for expanding mediation's role within the UK legal and business landscape.

38. Graham Boyack

Graham Boyack is the Director of Scottish Mediation and a member of the Board of Scottish Mediation, working alongside John Sturrock KC and other senior practitioners to ensure that mediation takes significant leaps forward as a mainstream dispute resolution option in Scotland and the UK. He co-led a strategy away day with the Scottish Mediation board in early 2026, focused on the direction the field needs to take to fulfil its potential.

Boyack co-presented the session "A New Era for Mediation: Realising the Vision of The Edinburgh Declaration" at the 2025 Civil Mediation Council conference, exploring how the aspirations of the Edinburgh Declaration can be translated into concrete change in mediation practice, access, and public understanding. His institutional leadership role at Scottish Mediation positions him as one of the key figures shaping the future of dispute resolution in Scotland.

39. Allard Duursma

Dr. Allard Duursma is an Assistant Professor of Conflict Management and International Relations at ETH Zurich in Switzerland. His research, published in leading journals including International Organization and the Journal of Conflict Resolution, focuses on how international mediation and peacekeeping help prevent and end armed conflict. His March 2026 paper "Mediation in a fragmented world: competing approaches and enduring practices" provides a rigorous empirical assessment of what has and has not changed in international mediation practice over recent decades.

Duursma's finding that many core mediation practices have remained remarkably stable over time, even as the political context around them has shifted dramatically, has important practical implications for anyone designing mediation processes or evaluating why particular interventions succeed or fail. His work bridges quantitative conflict data and qualitative analysis of mediation dynamics in ways that are genuinely useful to practitioners as well as scholars.

40. Mohamed Keshavjee

Mohamed Keshavjee is an international cross-cultural specialist in mediation and alternative dispute resolution, with a particular focus on Islamic law and intercultural ADR practice. Born in Pretoria and educated in law at Gray's Inn London, Queen's University Canada, and SOAS London University, he has spent decades working on how ADR processes can be designed to respect and incorporate diverse cultural and religious frameworks.

His work addresses one of the genuinely underserved questions in the conflict resolution field: how do mediation processes work, or fail to work, in cultural contexts where the assumptions embedded in Western ADR practice do not translate? His scholarship and practice have engaged with Muslim communities, post-conflict societies in Africa, and intercultural commercial disputes, producing insights that are increasingly relevant as mediation becomes a global rather than Anglo-American practice.

Category 7: Coaching, Digital Practice, and Professional Community Building

The conflict resolution field is being reshaped by practitioners who use digital platforms, podcasts, online learning, and community building to extend the reach of conflict resolution skills beyond the mediation room. The people in this category are building the infrastructure of access, making it possible for people who could never afford a formal mediator or conflict consultant to learn the skills they need.

This category also includes institutional builders: the people who run the courts systems that connect disputants with mediators, the associations that train and connect practitioners, and the voices who are rethinking what conflict resolution looks like in the digital age.

41. Aled Davies

Aled Davies is the founder of the Mediator Academy, an online learning platform described by the International Mediation Institute as one of the leading resources for practising mediators seeking to sharpen skills and build a sustainable practice. The IMI's Resource Hub lists the Mediator Academy blog as a key resource for mediators worldwide.

Davies has built one of the most accessible and widely used online learning communities in the global mediation field, giving both new and experienced mediators access to practical knowledge and peer learning that was previously confined to expensive in-person training programs. His digital-first approach to professional development reflects the broader direction of travel in the field.

42. Kay Suk

Kay Suk is a Circuit Mediator with the US Courts for the Ninth Circuit, one of the largest and most active court-connected mediation programs in the United States. She previously practised as a private mediator, served as a panel mediator with the American Arbitration Association, and worked as an Attorney Mediator with the California Department of Fair Employment and Housing.

Suk was a panellist at the JAMS AAPI Mediation Leaders event, speaking about bringing people together to resolve conflicts in a world shaped by increasingly complex interpersonal and systemic dynamics. Her career trajectory from private practice to court-connected mediation reflects the growing institutionalisation of mediation within the US court system, and her role at the Ninth Circuit gives her influence over how thousands of cases are resolved each year.

43. Marc Fong

Marc Fong is the President of The Mediation Society and the founder of Fong Dispute Resolution. He was a panellist at the JAMS AAPI Mediation Leaders event, speaking about the experiences of Asian-Pacific American mediation practitioners and the specific challenges and contributions they bring to the field. As President of The Mediation Society, he leads one of the important professional bodies in the California mediation community.

Fong's leadership of a professional membership organisation, combined with active mediation practice, reflects the dual role many of the most impactful figures in dispute resolution play: both resolving individual disputes and building the community of practice that makes high-quality dispute resolution available at scale.

44. Andrea O'Neill

Andrea O'Neill is a senior mediation leader in the UK who co-presented the Edinburgh Declaration panel at the 2025 Civil Mediation Council conference, alongside John Sturrock KC and Kelly Stricklin-Coutinho, addressing what the declaration means for the future of mediation practice. Her participation in one of the most significant policy conversations in UK mediation in recent years positions her as an active contributor to the direction the field is taking.

The Edinburgh Declaration, which the panel discussed, represents a collective statement by the UK mediation community about the values, standards, and ambitions that should guide mediation practice going forward. O'Neill's engagement with that conversation reflects her commitment to the field's long-term development, not just immediate practice.

45. Audrey Lee

Audrey Lee is co-faculty of the Harvard Mediation Intensive alongside Alain Lempereur, one of Harvard Law School's Program on Negotiation's flagship hands-on programs. The Intensive provides intensive skills training in mediation principles and processes through interactive presentations and role-play exercises, covering contexts from employment and business disagreements to public and international conflicts.

Lee's role in one of the most prestigious mediation training programs in the world gives her direct influence over how the next generation of mediators from dozens of countries understands and practises their craft. Her involvement in program design and delivery at Harvard positions her as one of the key educators shaping mediation practice globally.

Category 8: Authors, Scholars, and Thought Shapers

The books, frameworks, and research that have most durably shaped how the conflict resolution field thinks about itself deserve recognition alongside the individuals whose active practice work appears in other categories. The people in this category have contributed intellectual frameworks that continue to influence how thousands of practitioners, researchers, and leaders approach conflict.

The distinction between "foundational" and "current" is a false one in this field. The best intellectual work from 30 years ago is still actively used and built upon, precisely because it captured something true about how humans in conflict actually behave.

46. Robert A. Baruch Bush

Professor Robert A. Baruch Bush is the Harry H. Rains Distinguished Professor of Alternative Dispute Resolution Law at Hofstra University School of Law and co-originator, with Joseph Folger, of the transformative model of mediation. Their landmark book The Promise of Mediation: The Transformative Approach to Conflict, first published in 1994 and revised in 2004, challenged the dominant problem-solving orientation of mediation by arguing that mediation's most important purpose is not agreement but transformation: helping parties move from destructive conflict to empowered, compassionate engagement.

The transformative model is now used in workplace, community, family, organisational, and public policy conflict resolution in programs including the USPS REDRESS mediation program. Bush and Folger's intellectual contribution shifted how an entire generation of mediators understood the purpose and process of their work, and continues to shape transformative practitioners worldwide.

47. Joseph Folger

Professor Joseph Folger is a former Professor of Communication at Temple University and, together with Robert A. Baruch Bush, the co-originator of the transformative model of mediation. His co-authored book The Promise of Mediation: The Transformative Approach to Conflict remains one of the most cited and influential books in the field, challenging practitioners to look beyond agreement-getting to the human dynamics that either entrench or transform conflict.

Folger's communication-centred approach to conflict and mediation brought the disciplines of communication theory and relational dynamics into the mediation room. Together, he and Bush demonstrated that the way conflict is handled can either deepen human agency and connection or undermine it, regardless of whether an agreement is reached. That insight continues to shape transformative practitioners worldwide.

48. Dan Weinstein

The Honourable Daniel Weinstein (Ret.) is a retired federal judge and one of the world's most recognised neutral mediators. In the 2025 Lexology Index: Commercial Mediation report, produced by Who's Who Legal, Weinstein was identified as a "Global Elite Thought Leader," a designation described by the organisation as "the best of the best" across its global research, achieved by only around 5% of listed practitioners.

Weinstein practises at JAMS, the world's largest private alternative dispute resolution provider, and has mediated thousands of complex commercial, securities, and class action disputes over decades of practice. His combination of judicial experience and practitioner skill makes him one of the most trusted neutrals in commercial disputes of the highest complexity and value.

49. Amanda Ripley

Amanda Ripley is a New York Times bestselling author, investigative journalist, and co-founder of Good Conflict, a media and training company that helps people reimagine conflict. Her 2021 book High Conflict: Why We Get Trapped and How We Get Out (Simon and Schuster) investigates how ordinary people get pulled into destructive, entrenched feuds, and how they find their way out. In 2025, she delivered a keynote at Citizens' Climate Lobby's Summer Conference on these themes.

Ripley's contribution is to bring conflict resolution insights to a general audience with the rigour of investigative journalism and the accessibility of narrative nonfiction. Her book draws directly on the work of Gary Friedman, conflict research from Colombia, and community experiments in the USA to show that exiting high conflict is possible but requires deliberate effort. Her co-founding of Good Conflict reflects a commitment to moving from analysis to action.

50. Kevin P. Clements

Professor Kevin P. Clements is a New Zealand-born peacebuilding scholar who currently directs the Toda Peace Institute in Tokyo, Japan. He previously founded and led the National Centre for Peace and Conflict Studies at the University of Otago in New Zealand, served as Secretary General of International Alert, and held positions at the European Centre for Conflict Prevention and the European Peacebuilding Liaison Office in Brussels.

Clements' contribution spans five decades of research, institution-building, and advocacy for a more sophisticated global approach to conflict prevention and resolution. His work has engaged with conflicts in Asia, the Pacific, Africa, and Europe, always with a focus on building local capacity rather than importing external expertise. His academic and institutional work embodies the principle that sustainable peace requires the communities affected by conflict to own the process of resolving it.

Notable Voices We Almost Included

The conflict resolution field contains many more voices than any single list can capture. Several practitioners came close to inclusion here but were ultimately not selected due to the geographic distribution criteria or because their current engagement with the field could not be independently verified as of mid-2026. The names that appear on every conflict resolution list, including the foundational figures associated with the early Harvard Negotiation Project and the ADR movement of the 1980s and 1990s, are acknowledged here with full respect for their contributions. This list deliberately moved further afield to surface the people who are actively shaping the field right now, including those who are less well-known but equally deserving of recognition.

Common Mistakes Leaders Make with Conflict Resolution

Most leaders approach conflict too late, too informally, or with the wrong goal in mind. These are not failures of character. They are predictable patterns that, once recognised, can be changed. Based on what the practitioners in this list have collectively documented, these are the mistakes that cost organisations the most.

Treating resolution as the only valid outcome. Bernard Mayer's work demonstrates that some conflicts cannot and should not be resolved, because they reflect genuine, enduring differences in values or interests. The goal in these cases is not to eliminate the conflict but to manage it constructively. Leaders who insist on "resolution" in every situation often produce false agreements that collapse under the next pressure.

Waiting too long. Research cited by Kimberly Best, David Liddle, and Jonno White independently points to the same pattern: leaders wait until conflict is so entrenched that trust has broken down and positions have hardened. At that stage, even skilled mediation faces an uphill battle. The cost of delay is compounding and, in some cases, irreversible.

For a diagnostic resource, see the blog post '13 Warning Signs You Are Avoiding a Difficult Conversation' at https://www.consultclarity.org/post/signs-avoiding-difficult-conversation.

Conflating the people with the problem. The foundational insight of Getting to Yes, that effective negotiation requires separating the relationship between people from the substance of the disagreement, is decades old but still routinely violated. When leaders attack the person rather than addressing the behaviour or the issue, they predictably escalate rather than resolve.

Skipping the feelings layer. Sheila Heen and Douglas Stone's research demonstrates that almost every difficult conversation operates simultaneously on multiple levels: the substance, the feelings, and the identity. Leaders who address only the substance while ignoring the feelings and identity dimensions rarely produce lasting resolution, because the unaddressed layers continue to generate friction.

Using conflict resolution to manage rather than engage. The most common misapplication of mediation principles inside organisations is using them to defuse conflict without genuinely addressing it, keeping things calm while leaving the underlying causes intact. Liane Davey's work on conflict debt documents how this pattern builds up systemic dysfunction over time.

Engage Jonno White for a facilitation session that actually addresses the real issue:

jonno@consultclarity.org

Implementation Guide: How to Apply These Insights in Your Organisation

The research and practice of the thought leaders on this list converges on a set of practical principles that any organisation can apply, regardless of size or sector.

Build conflict capability before you need it. David Liddle's Resolution Framework and Liane Davey's conflict debt concept both point toward the same conclusion: organisations that invest in conflict capability during calm periods are dramatically better equipped to handle escalation when it arises. This means training managers in facilitated conversation skills, creating clear processes for raising concerns early, and building a culture where disagreement is normalised rather than suppressed.

Distinguish conflict types before choosing a response. Peter T. Coleman's research distinguishes between constructive conflict and destructive conflict. Bill Eddy's High Conflict Personality framework identifies a smaller category of dispute that requires a fundamentally different approach. Choosing the right intervention for the right conflict type is more important than having a single "conflict resolution process."

For more on this, see the post '21 Keys to Resolving Conflicts' at https://www.consultclarity.org/post/21-keys-to-resolving-conflicts.

Understand the role of identity in every dispute. The Harvard Negotiation Project tradition consistently identifies identity threats as the primary driver of escalation. When a disagreement triggers something about how someone sees themselves, it stops being a negotiation and starts being a fight for self-concept. Effective conflict resolution acknowledges and addresses identity dynamics directly, rather than pretending the conversation is purely about substance.

Engage a facilitator or mediator earlier than feels necessary. The most consistent finding across formal mediation research and practitioner experience is that early intervention produces better outcomes at lower cost, financially, relationally, and emotionally. The moment it becomes clear that a conversation needs a skilled neutral third party, that is the moment to make the call.

Invest in skills for everyday conflict, not just formal disputes. Tammy Lenski, Alexandra Carter, and Kira Nurieli all emphasise that the skills that make formal mediation work are the same skills that make everyday workplace conversations more productive. Training leaders and managers in these skills does not require a formal dispute to justify the investment.

Recognise that some conflict is necessary. Liane Davey's The Good Fight and Kenneth Cloke's The Crossroads of Conflict both make the case that healthy organisations need productive conflict in order to make good decisions, innovate, and hold each other accountable. The goal is not to eliminate conflict but to learn to work with it well.

For more on building this capacity, see the post '21 Expert Tips for Effective Communication with Difficult People' at https://www.consultclarity.org/post/effective-communication-with-difficult-people.

For organisations wanting to put these principles into practice with the help of an experienced facilitator, Jonno White delivers keynotes, workshops, and executive offsites that give leadership teams a shared language and a practical process for managing the conversations they have been avoiding.

Email jonno@consultclarity.org. Many organisations find that international travel is far more affordable than expected.

Frequently Asked Questions

What is the difference between mediation and conflict resolution?

Conflict resolution is the broader field: it encompasses any process or skill set that helps parties in disagreement find a constructive way forward, including negotiation, coaching, facilitated dialogue, restorative practices, and mediation. Mediation is one specific process within that field: a structured, confidential conversation facilitated by a trained, neutral third party. Not all conflict resolution involves a formal mediator, but all mediation is a form of conflict resolution.

What makes a mediator effective?

Research from the Harvard Negotiation Project, Peter T. Coleman's work at Columbia, and the Lexology/Who's Who Legal practitioner surveys all point to the same cluster of attributes: the ability to distinguish what parties say they want from what they actually need, a facility for managing emotional escalation without deflating the energy that honest conflict requires, deep listening, cultural sensitivity, the ability to reframe destructive patterns without imposing a solution, and genuine impartiality. Effective mediators do not impose outcomes. They create the conditions under which parties can find their own way forward.

When should an organisation bring in an external mediator?

The standard advice is to bring in an external mediator when the internal parties have a stake in the outcome, when the relationship between the parties is important enough to preserve, when previous attempts at direct resolution have stalled, or when the power imbalance between parties would compromise a facilitated internal process. The people on this list suggest an earlier threshold: if the conversation has already been delayed once because it felt too hard, that is usually the signal that a neutral third party would add significant value.

How do I choose a thought leader to follow in this field?

This list is organised by discipline and context: workplace practitioners, Harvard-tradition negotiation experts, formal mediators, academic researchers, international peacebuilders, and practitioners using digital platforms to expand access. The best starting point is to identify which dimension of conflict resolution is most relevant to your current work and follow the people in that category. Most of the practitioners here are active on LinkedIn, maintaining blogs, writing books, or publishing research, so engagement with their work is relatively accessible.

How does conflict resolution apply to leadership?

Every leadership role involves conflict: between priorities, between people, between what is and what should be. The thought leaders in this list consistently argue that the quality of a leader's conflict capability is a direct predictor of their team's performance, retention, and culture. Peter T. Coleman's "Conflict-Intelligent Leader" framework from his 2025 Harvard Business Review article provides a practical lens.

Jonno White's Step Up or Step Out framework provides a practitioner's process for leaders wanting to act on it.

Email jonno@consultclarity.org to explore what that looks like for your team.

Final Thoughts

The 50 people compiled here represent the global breadth and depth of mediation and conflict resolution as it is actually practised in 2026: across workplaces and war zones, family courts and Fortune 500 boardrooms, community settings and international treaty negotiations. What they share is a conviction that conflict, handled with skill, need not be destructive. It can be transformative.

The research is unambiguous: conflict is not going away, and the cost of handling it badly, in productivity, in trust, in human wellbeing, is enormous. The good news is that the skills of conflict resolution are learnable. The frameworks exist. The practitioners exist. The research exists. What remains is the decision to invest in building conflict capability before it is urgently needed, rather than waiting until the organisation or the team has already paid the price of avoidance.

For organisations ready to make that investment, Jonno White, author of Step Up or Step Out (10,000+ copies sold globally) and Certified Working Genius Facilitator, is available for keynote speaking, workshops, and executive facilitation globally. The conversation that has been delayed is the one most worth having.

Email jonno@consultclarity.org or visit consultclarity.org.

If you found this post useful, you might also want to explore the post 'How to Push Through Conflict Fatigue' at https://www.consultclarity.org/post/how-to-push-through-conflict-fatigue.

About the Author

Jonno White is a Certified Working Genius Facilitator, author of Step Up or Step Out, and leadership consultant who has worked with schools, corporates, and nonprofits around the world. His book Step Up or Step Out has sold over 10,000 copies globally, and his podcast The Leadership Conversations has featured 230+ episodes reaching listeners in 150+ countries. Jonno founded The 7 Questions Movement with 6,000+ participating leaders and achieved a 93.75% satisfaction rating for his Working Genius masterclass at the ASBA 2025 National Conference. Based in Brisbane, Australia, Jonno works globally and regularly travels for speaking and facilitation engagements. Organisations consistently find that international travel is far more affordable than expected.

To book Jonno for your next keynote, workshop, or facilitation session, email

jonno@consultclarity.org.

Sources

CPM Group (2019). Workplace conflict cost estimate of US employers.

Myers-Briggs Company. Employee conflict prevalence survey.

Coleman, P. T. (July-August 2025). "The Conflict-Intelligent Leader." Harvard Business Review.

Next Read

For more on resolving conflicts practically, continue with the blog post '25 Crucial Tips for Handling Difficult Conversations' at https://www.consultclarity.org/post/25-crucial-tips-for-handling-difficult-conversations.