Laboratory technician department pharmaceutical University Pennsylvania, Philadelphia, 1964-1966, teaching fellow department botany, 1964-1966. Resident internal medicine Allentown (Pennsylvania) Hospital, 1978-1979. Staff physician Princeton BioCtr., Skillman, New Jersey, 1979-1995, assistant director, 1988-1990, director Well Mind program, 1989-1992.
Medical director Biofeedback Clinic of Princeton, 1986-1995. Vice president Schizophrenia Foundation of New Jersey, Skillman, 1989-1991.