Bachelor of Science, Hebrew University, Jerusalem, 1965. Doctor of Philosophy, Hebrew University, Jerusalem, 1973.
World Health Organization fellow, Middlesex Hospital, London, 1971; investigator, Weizmana Institute Science, Rehovot, Israel, 1973-1975; assistant professor, Northwestern University, Chicago, 1975-1979; associate professor, Northwestern University, Chicago, 1979-1981; associate professor, Wayne State University, Detroit, 1981-1988; professor genetics, Wayne State University, Detroit, since 1988.
Board directors Bureau of Protective Analysis, Gary, Indiana, 1976-1987. Advisory board Mucolipidosis IV Foundation, New York City, since 1985. Member American College Medical Genetics, American Society Human Genetics, New York Academy of Sciences, Society Inherited Metabolic Disorders, Society Pediatric Research.
Married Tova Roth, August 23, 1964 (divorced 1974). Children: Roey, Gilad. Married Miriam Mendel, December 24, 1974.