Intern University Washington Hospital, Seattle, 1965-1966. Senior surgeon laboratory neurophysiology, National Institute Neurological Diseases & Stroke (National Institute of Neurological Disorders and Stroke), National Institutes of Health, Bethesda, Maryland, 1966-1969, fellow behavioral biology branch, National Institute Child Health, 1969-1973, director National Institute of Neurological Disorders and Stroke, 1998—2001. Associate professor pharmacology Harvard Medical School, Boston, 1973—1978, professor, 1978-1981, Nathan Marsh Pusey professor neurobiology, chair department neurobiology, 1990-1998.
Edison professor neurobiology, chairman department anatomy and neurobiology Washington University School Medical, St. Louis, 1981-1990. Executive vice president health and biomedical sciences, dean faculty medicine Columbia University College Physicians & Surgeons, New York City, 2001—2006. Science director The Simons Foundation, since 2006.
Member executive committee Program in Cell and Development Biology, Harvard Medical School, 1974-1981. Nonresident tutor Leverett House, Harvard College, 1974-1977. Clerk of corporation Marine Biological Laboratory, Woods Hole, Mass, 1978-1981, trustee, since 1982, executive committee, 1984-1989.
Master Fuller Albright Academy Society, Harvard Medical School, 1979-1981, faculty council, 1980-1981. Chairman Gordon Conference on Molecular Pharmacology, 1983. Director Center for Cellular and Molecular Neurobiology, Washington University School of Medical, 1983-1990, director Jacob Javits Center for Excellence in Neurosci., 1985-1990, director Center for Higher Brain Function, 1988-1990, member Medical Center Board, 1989-1990.
Director Neurosci. Center, Massachusetts General Hospital, since 1990. Member advisory board National Spinal Cord Injury Association, since 1978, Neurology B Study Section, National Institutes of Health, 1978-1980, Alfred P. Sloan Foundation, 1984-1989, Department Biology Advisory Council, Princeton University, 1984-1988, Fidia Research Foundation, since 1986, McKnight Neurosci. Research Awards Review Committee, since 1986, Howard Hughes Medical Institute, since 1988, State University of New York Health Science Center at Bklyn, since 1988, Helen Hay Whitney Foundation, 1991, Children's Hospital, Boston, 1991.
Visiting professor Department Pharmacology University California at San Francisco, 1978. Lecturer Distinguished Lecture Series in Pharmacology, University Maryland School Medicine, 1978, 25th Annual Bishop Lecture, Washington University School Medicine, 1980, Distinguished Lecture Series, Department Zoology, University Texas, 1981. Invited speaker 5th Annual Meeting European Neurosci.
Association, 1981; Alden Spencer lecturer College Physicians and Surgeons, Columbia, University, 1981, Stephen W. Kuffler lecturer Harvard Medical School, 1990, numerous others. Associate Neurosci. Research Program, since 1981.
- The Moscow Colloquium on Electroencephalography of Higher Nervous Activity Supplement No 13 the International Journal Electroencephalography and Clinical Neurophysiology