Chairman department human genetics New York State Institute Basic Research in Devel. Chief division human genetics, professor pediatrics, hereditary physician North Shore University Hospital-Cornell University Medical Center, since 1988. Professor biophysics, anatomy & cell biology State University of New York Health Science Center, Brooklyn, 1987-1988.
Contributor chapters, articles on aging, genetics, mental retardation to professional journals.
Member National Institute Aging Resources Advisory Panel.; Fellow Gerontological Society of America (chairman biological science section). Member American Society Human Genetics, Gerontological Society, American Federation Clinical Research, Harvey Society, New York Academy of Sciences Subspecialties: Genetics and genetic engineering (medicine).