Erik de Haan is the Director of Ashridge's Centre for Coaching and Professor of Organisation Development at the VU University Amsterdam and was previously a consultant, providing one-to-one coaching for executives and consultants, including career counselling. Prior to coming to Ashridge in 2002, he acquired ten years of consulting experience with firms including Aegon, BP, Heineken, Nike, Credit Suisse First Boston, Qualcomm and Vodafone. Erik is Programme Director of AMEC, Ashridge's MSc in Executive Coaching and ACOS, Ashridge's Postgraduate Certificate in Advanced Coaching & Organisation-Development Supervision. Erik has published more than a hundred professional articles and nine books in several languages. He is a member of the editorial board for the Journal of Philosophy of Management and for the Dutch Journal of Coaching. www.ashridge.org.uk/erikdehaan Yvonne Burger is Professor of Organisational Culture, Communication and Leadership at the VU University Amsterdam. She is Program Director of the postgraduate program Executive Coaching. She works also as an independent consultant and executive coach and is specialised in individual, team and organisational development. Yvonne is a widely published author and has worked for several management-consulting firms like Touche Ross International and the Twynstra Group in The Netherlands. Also she was Dean of Sioo Business School in The Netherlands Yvonne is member of the editorial board of several journals in the Netherlands and Academic Fellow of the International Council of Management Consulting Institutes. www.yvonneburger.nl