Earl Hopper, Ph.D., is a psychoanalyst, group analyst and organisational consultant in private practice. He is a supervisor and training analyst for the Institute of Group Analysis, the British Association of Psychotherapists and the London Centre for Psychotherapy. An honorary tutor at The Tavistock and Portman NHS Trust, and a member of the Post-Doctoral Program at Adelphi University, New York. Earl Hopper is a past President of the International Association of Group Psychotherapy and a past Chairman of The Group of Independent Psychoanalysts of The British Psychoanalytical Society.