Mark Cole has over 30 years' experience working on development in organisations. His book, Radical Organisation Development, was published by Routledge in 2020. More recently, he co-authored with John Higgins Leadership Unravelled: The Faulty Thinking Behind Modern Management (Routledge, 2022).

John Higgins is an independent researcher, tutor, and coach specialising in how people use and abuse power throughout the workplace and society. He is widely published and has written extensively alongside the faculty and students of the Ashridge Doctorate and Masters in Organisational Change.