Bachelor, Harvard University, 1965. Doctor of Philosophy, Massachusetts Institute of Technology, 1968. Doctor of Medicine, Cornell University, 1972.
Intern, resident New York Hospital, New York City, 1971—1975. Resident Massachusetts General Hospital, Boston, 1975—1978. Program director Neuroscis.
Research Program Massachusetts Institute of Technology, 1975—1978. Deputy director Surgical Neurology Branch National Institutes of Health, Bethesda, Maryland, 1978—1983. Director science & medical Dreyfus Medical Foundation, New York City, 1983—1988.
Director Dreyfus Health Foundation, since 1988. Senior vice president Rogosin Institute, 1998-2008, director since 2008. Professor surgery Cornell University, Peking University Medical College.
With public health system research panel United States Department Health and Human Services, 2007-2008. Commander United States Public Health Service, 1978-1983.
Board directors Desmond Tutu Peace Foundation, Kornfeld Foundation, New York City Rescue Mission,, Global Health Action Babyland. Member American Medical Association, American Association for the Advancement of Science, Society Neurosci., American Pain Society (audit committee 1983-1985), National Council International Health (governing board 1990-1995, chair 1993-1995), Global Health Council Society Critical Care Medicine, Phi Beta Kappa, Sigma Xi, Alpha Omega Alpha.
Married Carley Eldredge, December 13, 1969. Children: Christopher, Sara.