1. International Centre for Coaching and Mentoring Studies, Oxford Brookes University, Oxford, UK
2. Ashridge Centre for Coaching, Hult International Business School, Ashridge, UK
3. Center for Coaching, VU University, Amsterdam, Netherlands
4. Oxford Brookes Business School, Oxford Brookes University, Oxford, UK
5. Human Resources and Organisational Behaviour Department, University of Greenwich, London, UK