Malcolm Pines trained in medicine at University College London and in psychoanalysis at the British Psychoanalytic Society. Founder Member, Group Analytic Practice and Institute of Group Analysis; past President, Group Analytic Society, International Association of Group Psychotherapy and the Psychiatric Section of the Royal Society of Medicine; Consultant Psychotherapist, St. George's and Maudsley Hospitals and Tavistock Clinic. Editor, Group Analysis and founder, International Library of Group Analysis.

John Schlapobersky graduated at University of Sussex, Institute of Education and London School of Economics. He qualified at the Institute of Group Analysis where he serves as faculty. He was Scientific Secretary, Group Analytic Society, member, British Society for Couple Psychoanalytic Psychotherapy, American Group Psychotherapy Association and Founding Trustee, Freedom from Torture. He practices at the Bloomsbury Psychotherapy Practice. Publications include: From The Couch To The Circle: Group-Analytic Psychotherapy In Practice.