Stellant Group speakers hold five of the top 10 spots in the 2025 Thinkers50 Ranking, wrote four of the 10 Best New Management Books for 2026 and include a member of the Thinkers50 Radar Class of 2026.

On Nov. 2, Thinkers50 celebrates its 25th anniversary with the Thinkers50 London Summit and the inaugural Leaders50 Awards Gala at London’s Guildhall, bringing together the world’s leading management thinkers to explore the future of leadership and business. Leaders50 is Thinkers50’s new biennial recognition of leadership in practice. For those who can’t attend, Thinkers50 is offering a free livestream of the Summit.

Stellant speaker Megan Reitz co-hosts the Gala and several others will be in attendance.

Best New Management Books for 2026

Best new management books of 2026

Four of the 10 titles on the Thinkers50 Best New Management Books for 2026 are by Stellant speakers:

Linda A. HillLinda A. HillWallace Brett Donham Professor of Business Administration, Harvard Business School
Emily TedardsEmily TedardsDoctoral Student in Organizational Behavior, Harvard Business School
Jason WildJason WildFormer Microsoft Vice President, CEO Co-Innovation and Customer Engagement
Ranjay GulatiRanjay GulatiPaul R. Lawrence Professor, Harvard Business School
Scott D. AnthonyScott D. AnthonyClinical Professor, Tuck School of Business at Dartmouth
Ruchika T. MalhotraRuchika T. MalhotraFounder and CEO, Candour

Anthony, Gulati, Hill, Tedards and Wild will discuss their books in the new Thinkers50 Kyndryl Studio, which celebrates the 2026 Best New Management Books.

The Thinkers50 Radar Class of 2026

Alex Budak was named to the Thinkers50 Radar Class of 2026, the annual list of 30 thinkers to watch. A faculty member at UC Berkeley’s Haas School of Business and the author of Becoming a Changemaker, Budak studies courage and values-driven leadership. He argues that both matter more than hierarchy or formal authority.

Alex BudakAlex BudakFaculty, UC Berkeley Haas School of Business

The 2025 Thinkers50 Ranking

Five Stellant speakers are in the 2025 top 10:

  • Andrew Winston, No. 1 (shared with Paul Polman), for their work on “net positive,” the idea that companies thrive by improving the well-being of everyone and everything they affect.
  • Amy Edmondson, No. 2, for her work on psychological safety.
  • Linda A. Hill, No. 4, for her work on leadership and innovation.
  • Scott D. Anthony, No. 5, for his work on innovation and “dual transformation,” which helps businesses turn disruption into advantage.
  • Ranjay Gulati, No. 9, for his work on putting purpose at the center of management. Gulati also received the 2025 Thinkers50 Leadership Award.
Andrew WinstonAndrew WinstonBestselling Author, Net Positive and Green to Gold
Amy EdmondsonAmy EdmondsonNovartis Professor of Leadership and Management, Harvard Business School
Linda A. HillLinda A. HillWallace Brett Donham Professor of Business Administration, Harvard Business School
Scott D. AnthonyScott D. AnthonyClinical Professor, Tuck School of Business at Dartmouth
Ranjay GulatiRanjay GulatiPaul R. Lawrence Professor, Harvard Business School

Nine more Stellant speakers appear on the 2025 Ranking: Sinan Aral, Erik Brynjolfsson, Heidi K. Gardner, Andrew McAfee, Geoffrey Parker, Gianpiero Petriglieri, Megan Reitz, Zeynep Ton and Marshall Van Alstyne.

Sinan AralSinan AralDavid Austin Professor of Management, MIT
Erik BrynjolfssonErik BrynjolfssonStanford Professor, Director, Stanford Digital Economy Lab
Heidi K. GardnerHeidi K. GardnerDistinguished Fellow, Harvard Law School
Andrew McAfeeAndrew McAfeePrincipal Research Scientist, MIT Sloan School of Management
Geoffrey ParkerGeoffrey ParkerProfessor of Engineering Innovation, Dartmouth College
Gianpiero PetriglieriGianpiero PetriglieriAssociate Professor of Organisational Behaviour, INSEAD
Megan ReitzMegan ReitzAssociate Fellow, Saïd Business School, University of Oxford
Zeynep TonZeynep TonProfessor of the Practice, MIT Sloan School of Management
Marshall Van AlstyneMarshall Van AlstyneQuestrom Chair of Information Systems, Boston University

Published every two years, the 2025 Thinkers50 Ranking remains the current list. For a full list of Stellant speakers that have been honored by Thinkers50 over the years, check out our Stellant Thinkers50 Honorees.

Each of these thinkers is exclusively represented by Stellant Group for speaking engagements, including keynotes, fireside chats and panel discussions. These sessions help leadership teams think through innovation, psychological safety, purpose-driven transformation and the challenges of disruptive change. For our consulting or advisory offerings, please reach out through stellantgroup.com for a custom proposal.