Wendy Hirsh is an independent researcher and consultant on a range of people management issues

Jeffrey Pfeffer is the Thomas D. Dee II professor of prganizational behavior at the Graduate School of Business, Stanford University where he has taught since 1979

Patrick Lencioni is one of America’s pre-eminent thought leaders on topics related to leadership, management and teamwork at the executive level

Wayne Clarke is a founding partner of the Global Growth Institute based out of the UK and the Netherlands

?Stephen Bevan is director of employer research and consultancy at IES.

Susan's research interests focus on the lack of women in leadership, specifically on corporate boards; women's leadership styles and the issues involved in women developing their executive careers.

Steve Boese is co-chair of the HR Technology Conference, the leading global event for the HR Technology Industry, and a technology columnist for Human Resource Executive magazine

Matthew Syed is one of the world’s most influential thinkers in the fields of high performance and cultural change

Peter is the chief executive of the CIPD, the professional body for more than 150,000 HR and people development professionals around the world.

Chamorro-Premuzic is an international authority in psychological profiling, talent management, leadership development, and people analytics

?Meghan M. Biro is a globally recognised HR technology analyst, author, speaker and brand strategist

Herminia Ibarra is the Charles Handy professor of organisational behaviour at London Business School (LBS)