John Edmonstone is a leadership, management and organisation development consultant with extensive experience within the public services both within the UK and internationally. He has some 30 years’ experience of successful consultancy work in the human resource management and organisation development fields in the United Kingdom National Health Service, and within local government, higher and further education in such areas as leadership and management development, coaching and mentoring, evaluation research, partnership working and team development. He has worked regularly with action learning since meeting with Professor Reg Revans in the 1970s, largely with health care managers and clinical professionals, but also in multiagency contexts, principally within the UK, but also in Ireland and Indonesia. He runs a successful consultancy business based in Ripon, North Yorkshire and is Senior Research Fellow at the School of Social Science and Public Policy, Keele University; Research Fellow at the Institute for Global Health and Development, Queen Margaret University, Edinburgh and Associate at Skills for Health. He is on the editorial boards of the journals Action Learning: Research and Practice, Leadership in Health Services and the International Journal of Healthcare. He is the author of the books Action Learning in Health Care: A Practical Handbook (2011) and The Action Learner’s Toolkit (2003) and is author of many journal articles on action learning.