Bachelor of Medicine, BCh, Witwaterstrand University, 1962. Doctor of Science, Witwaterstrand University, 1975.
Medical intern Baragwanath Hospital, Johannesburg, 1963-1964. Postgraduate fellow National Institute of Neurology, London, 1965. Medical resident Coronation Hospital, Johannesburg, 1966-1967, 69-70.
Research associate Endocrin Research Unit, Cape Town, 1968-1969. Consultant physician Non-European Hospital, Johannesburg, 1970-1980. Associate professor medicine Witwatersrand University, 1981-1988, professor metabolic medicine, since 1989.
Principal physician Hillbrow Hospital, 1981-1993, professor medicine, 1994-1997. Clinical head, professor medicine Johannesburg Hospital, since 2001. Retired; professor emeritus medicine, consultant endocrinologist Center Diabetes and Endocrinology, Johannesburg, since 2001.
Member faculty board Faculty of Medicine, Witwatersrand University, Johannesburg, 1981-2001, member of senate, 1989-2001, member postgraduate committee, 1989-1993. Vice chairman Medical advisory committee Hillbrow Hospital, Johannesburg, 1990, 91, 94-96.
Fellow Royal College Physicians, College Physicians South Africa. Member Society for Endocrinology Metabolism, Diabetes of Southern Africa (secretary 1975-1982), The Endocrine Society.
Married Rebecca Ede Berkowitz, November 11, 1964. Chidlren: Harry, Daniel, Gideon, Aviva.