Mannie Sher is a Principal Social Scientist and Director of the Group Relations Programme at the Tavistock Institute, London. He manages organizational development and change projects and consults to top management of organizations on the role of leadership in effecting strategic change. He is a Fellow of the British Association of Psychotherapists and a practicing psychoanalytical psychotherapist. Sher has published on subjects of consultancy, leadership, organizational development, ethics and corruption. He is a member of ISPSO, OFEK and OPUS.