Jonathan Passmore is a chartered psychologist, executive coach, coaching supervisor, author, and professor of coaching. He has written widely, with thirty books and more than a hundred scientific articles and book chapters. He was recently ranked in the world's top eight coaches by Thinkers 50. Previously director of the Henley Centre for Coaching, University of Reading, he is now Senior VP at the global coach firm CoachHub. Sarah Leach is a Lecturer in Coaching and Behavioural Change at Henley Business School, University of Reading. As an experienced Executive Career and Life Coach, she runs her own practice drawing on ten years of corporate experience in the utility sector, leading and enabling business change. She is a contributing author to several books, including The Coaches' Handbook (2020).