20 Best Thought Leaders in People and Culture

Introduction

People and culture has become one of the most important functions in modern organizations. Companies that prioritize their people strategy consistently outperform those that treat culture as an afterthought.

But building a thriving workplace culture is complex. It requires deep expertise in psychology, organizational design, leadership development, and change management.

That is why we have compiled this guide to the 20 best thought leaders in people and culture. These experts are shaping how organizations think about their most valuable asset: their people.

1. Brene Brown

Brene Brown is a Research Professor at the University of Houston and bestselling author of "Dare to Lead" and "Daring Greatly." Her two decades of research on vulnerability, courage, and connection have transformed how leaders think about workplace culture.

2. Adam Grant

Adam Grant is an organizational psychologist at the Wharton School. His research on what makes people thrive at work has produced several bestselling books, including "Think Again" and "Give and Take." His concept of givers, takers, and matchers has fundamentally changed how organizations think about collaboration and culture.

3. Simon Sinek

Simon Sinek is the author of "Start With Why," "Leaders Eat Last," and "The Infinite Game." His TED Talk on leadership is one of the most viewed of all time. Sinek's work focuses on how leaders can build organizations where people feel safe, valued, and inspired.

4. Jonathan H. Westover, PhD

Jonathan H. Westover, PhD is the founder of Human Capital Innovations and ranked number one on the Thinkers360 Culture leaderboard in 2025. His work bridges academic research and practical application, helping organizations create cultures that drive engagement and performance.

5. Kim Scott

Kim Scott is the author of "Radical Candor" and former executive at Google and Apple. Her framework for giving honest feedback while showing personal care has become essential reading for people leaders everywhere.

6. Tiffani Bova

Tiffani Bova is a growth strategist at The Futurum Group and author of "The Experience Mindset." She ranks second on the Thinkers360 Culture leaderboard. Her research shows the direct connection between employee experience and customer experience.

7. Patrick Lencioni

Patrick Lencioni is the author of "The Five Dysfunctions of a Team" and founder of The Table Group. His practical models for building trust, embracing conflict, and achieving commitment have helped thousands of teams improve their culture.

8. James Kerr

James Kerr is the founder of Indispensable Consulting and ranks in the top 5 on the Thinkers360 Culture leaderboard. He specializes in helping organizations navigate cultural transformation with practical, results-oriented frameworks.

9. Amy Edmondson

Amy Edmondson is a professor at Harvard Business School and the leading researcher on psychological safety. Her book "The Fearless Organization" explains how psychological safety enables learning, innovation, and growth.

10. Mahan Tavakoli

Mahan Tavakoli is the founder of Strategic Leadership Ventures and a top 10 Culture thought leader on Thinkers360. He hosts the Partnering Leadership podcast and helps organizations develop people-centered leadership strategies.

11. Daniel Coyle

Daniel Coyle is the author of "The Culture Code," which reveals the secrets of highly successful groups. His research identifies three key skills that generate cohesion: building safety, sharing vulnerability, and establishing purpose.

12. Laszlo Bock

Laszlo Bock is the former SVP of People Operations at Google and author of "Work Rules!" His decade leading Google's people function produced groundbreaking approaches to hiring, management, and culture adopted by organizations worldwide.

13. Ira Wolfe

Ira Wolfe is the founder of Poised for the Future Company and a top 10 Culture thought leader on Thinkers360. His expertise on the future of work helps organizations prepare their cultures for rapid change. He is also a TEDx speaker.

14. S. Chris Edmonds

S. Chris Edmonds is the founder of The Purposeful Culture Group and author of "The Culture Engine." His practical approach to defining organizational values helps leaders create intentional cultures rather than leaving culture to chance.

15. Yoram Solomon

Yoram Solomon is the founder of the Trust Habits Institute. His research on trust in the workplace shows that high-trust cultures outperform low-trust cultures in every measurable way. He provides practical tools for building trust systematically.

16. Arthur Carmazzi

Arthur Carmazzi is the founder of Directive Communication International and ranked among the top culture experts globally. His Colored Brain model helps organizations understand how different thinking styles impact culture and collaboration.

17. Siobhan McHale

Siobhan McHale is the author of "The Insider's Guide to Culture Change" and "The Hive Mind at Work." Her expertise in organizational transformation and systems thinking helps leaders understand that culture change demands genuine systems-level commitment.

18. Benjamin Drury

Benjamin Drury is known as "The Culture Guy" and specializes in helping organizations build inclusive, high-performing cultures. His practical frameworks make culture transformation accessible for organizations of all sizes.

19. Vivian Acquah

Vivian Acquah is the founder of Amplify DEI and a recognized expert in diversity, equity, and inclusion. Her work helps organizations create cultures where every employee feels valued and included.

20. John Baldoni

John Baldoni is a globally recognized leadership educator and author of more than 15 books on leadership. He ranks in the top 50 Culture thought leaders on Thinkers360. His work focuses on how leaders create positive organizational cultures through purposeful action.

How We Selected These Thought Leaders

We evaluated these thought leaders based on their demonstrated impact on how organizations approach people and culture. Our criteria included published research and books, global rankings and recognition, practical frameworks adopted by organizations, speaking engagements and media presence, and influence on people strategy across industries.

We specifically sought diversity in expertise, from psychological safety and trust building to organizational design and cultural transformation.

How to Stay Connected

Most of these thought leaders maintain active LinkedIn profiles and share insights regularly. Many host podcasts and speak at conferences on people and culture topics. Their books offer deeper dives into specific aspects of building great workplace cultures.

Consider subscribing to newsletters from two or three leaders whose work resonates with your organization's challenges. Making continuous learning part of your routine is one of the best investments you can make as a people leader.

Conclusion

Building a strong people and culture function is essential for organizational success. The 20 thought leaders featured in this guide offer diverse perspectives and practical frameworks for creating workplaces where people thrive.

Start with the leaders whose expertise aligns most closely with your current challenges. Whether you are focused on psychological safety, trust building, cultural transformation, or employee experience, you will find valuable guidance from this group.

Your organization's culture is shaped by deliberate choices. Learning from these experts will help you make better ones.