Bachelor of Science in Engineering, Stanford University, 1973; Master of Science in Ocean Engineering, Massachusetts Institute of Technology, 1975; Master of Science in Population Sciences, Harvard University, 1977; Doctor of Science in Tropical Public Health, Harvard University, 1981.
Ocean engineer, Bechtel Corporation, San Francisco, 1975; senior scientist, Bechtel Corporation, San Francisco, 1981-1987; environmental engineer, Pacific Gas & Electric Corporation, San Francisco, 1976; health science specialist, Agency for International Development, Washington, since 1988. Research associate Johns Hopkins University, 1987-1988.
Member American Society Tropical Medicine and Hygiene, Sigma Xi.
Married Lynellyn Dunstan Horne, August 25, 1984. 1 child, Bryerly Isabel.