Bachelor, Hofstra University, 1971. Master of Arts, City University of New York, 1973. Doctor of Philosophy, Case Western Reserve University, 1978.
Postdoctoral, Case Western Reserve University, 1981.
Research assistant, New York University Medical Center, New York City, 1973-1974; postdoctoral fellow, Case Western Reserve U., Cleveland, 1978-1981; assistant professor biomedical science, Washington U. Dental School, St. Louis, 1981-1986; associate professor biomedical science, Washington U. Dental School, St. Louis, 1986-1988; associate professor biology, Washington University, St. Louis, 1988-1994; professor biology, Washington University, St. Louis, since 1996. Consultant National Institutes of Health, National Aeronautics and Space Administration, etc., since 1984. Member ASBMR county, since 1998.
Member American Association for the Advancement of Science, Endocrine Society, American Society Bone and Mineral Research (Young Investigator award 1984).
Married Patricia Collin, August 12, 1977. Children: Megan, Lauren.