Association for the Advancement of Science: Member      1983 Fellow 1997-present American College of Neuropsychopharmacology: Life Fellow 1980 Chairman, Credentials Committee 1976-1978 Program Committee 1978 President-Elect 1980 President 1981 Chairman, Committee on Public Concern 1983, 1987 & 1988 Ad Hoc Awards Committee 1984 Consultant 1989 Task Force for Creation of Statement of Principles (DF Klein & N Schooler) 1994(accepted by ACNP Council,     December 1995) Nominating Committee 1989 Chairman 1990-1991 Ex-Officio 1992     Planning Group, Committee on Relations with Advocacy Groups Chairman, Task Force for the Development of a Non-Profit Foundation to Investigate     Issues of Scientific Misconduct 1989-1992 History Task Force       1994-1996 Co-Chairman, Task Force on Ethical Issues in Controlled Clinical Trials.  1994-1996     Liaison Committee With Government Agencies & the Pharmaceutical Industry         Co-Chairman 1994-1996         Member 1999-2003 American Psychiatric Association: Life Fellow 2004 DSM-III:     - Task Force on Nomenclature & Statistics     - Member, Advisory Committees:             Anxiety and Dissociative Disorders             Personality Disorders     - Impulse Control Disorders DSM-III-R:     - Member, Advisory Committees:             Mood Disorders             Anxiety Disorders             Personality Disorders DSM-IV:     - Member, Advisory Committee on Mood Disorders     - Task Force on Guidelines for the Protection of Human Subjects in Psychiatric Research:             Chairman  1977-1979 & 1982-1984             Member 1979-1981 Anxiety Disorders Association of America: Scientific Advisory Board 1996-99 Task Force on Psychopharmacologic Criteria Development 1977-1979 Chairman, Hofheimer Prize Board 1973-1975 Task Force on Methadone & Narcotic Antagonist Evaluation 1974-1979 Task Force on Nomenclature & Statistics 1974-1979 American Psychopathological Association: Member Treasurer 1972-1975 Program Chairman 1975, 1977-1079 Secretary 1976 Vice-Presiden 1977 President-Elect 1978-1979 President 1979-1980 Councillor 1980-1981 Fellow, Collegium Internationale Neuro-Psychopharmacologicam.  1972 Executive Committee, International Neuropsychology Society.  1967 President, Psychiatric Research Society.  1980 The Foundation of Thanatology, Psychiatric Research Society: Professional Board of Advisors:     - Member, Steering Committee        1974-1976     - Chairman, Steering Committee 1977 Royal College of Psychiatrists: Founding Member Fellow Fellow, Society of Life History Research in Psychopathology. Senior Member, Society of Biological Psychiatry. Member, Society of Neuroscience. Member, Society for Psychophysiological Research. Member, Society for the Study of Social Biology. Fellow, Association for Clinical Psychosocial Research. Member, American Society for Clinical Pharmacology and Therapeutics. Member, European Brain and Behaviour Society. Member, International Brain Research Organization. Member, Society for Light Treatment and Biological Rhythms. Member, American Statistical Association. Scientific Advisory Board, National Anxiety Disorders Screening Day. Member, International Society for the Advancement of Respiratory Psychophysiology. Member, New York County Medical Society 1953-2004.  Life Member 2005. Member, III Congres de la Federation Internationale Francophone de Psychiatrie. Member, International Society for Research in Child & Adolescent Psychopathology.