Commissioner, National Bioethics Advisory Commission, Washington, DC, 1996-2001
Member, Committee on Ethics, Medical Society of the State of New York, 1987.
Member, Committee for the Study of Pain, Disability, and Chronic Illness Behavior, Institute of Medicine, National Academy of Science, 1985-1986.
Member, Commission on the Evaluation of Pain, US Department of Health and Human Services, Washington, DC, 1985-1986.
Member, Committee on Human Rights in Research (IRB), Cornell University Medical College, New York, New York, 1978-1985.
Member, Committee to Study Health Consequences of the Stress of Bereavement, Institute of Medicine, National Academy of Science, 1984.
Chairman, Committee on Human Rights in Research, Cornell University Medical College, New York, New York, 1978-1980.
Member, Task Force on Death, The Hastings Center, Hastings on Hudson, New York, 1971-1975.
Member, Technical Advisory Committee, New York State, Action for Clean Air Committee, 1972.
Member, Executive Committee of The Medical Board, French-Polyclinic Medical School and Health Center, 1969-1971.
Member, Medical Board, French-Polyclinic Medical School and Health Center, 1969-1971.
Member, Medical Advisory Committee of Department of Air Pollution Control of the City of New York, 1965-1970.
Member, Committee on Air Conservation, New York Tuberculosis and Health Association, 1968-1969.
Member, Advisory Group for Air Quality Criteria, Department of Health, Education, and Welfare, US Public Health Service, 1967-1969.
Member, Advisory Committee, Hazleton Research Laboratories Air Pollution Project, 1966-1967.