Bachelor of Science, University Washington, 1962; Master of Sciences, University Washington, 1965; Doctor of Philosophy, University of California-San Diego, 1971.
Assistant professor, University of California, Irvine, 1972-1976;
associate professor, University of California, Irvine, 1976-1981;
professor, University of California, Berkeley, 1981-1986;
director, Naval Bioscis. Laboratory, Oakland, California, 1981-1986;
assistant director, National Science Foundation, Washington, 1984-1988;
Adjunct Professor, George Washington University, 1986-1988;
professor, George Washington University, 1988-1993;
associate professor, Johns Hopkins University School Medicine, Baltimore, since 1993;
associate dean, Johns Hopkins University School Medicine, Baltimore, since 1994;
director Division biomedical Information Sciences, Johns Hopkins University School Medicine, Baltimore, since 1994;
chief information officer, since 1995. Visiting scientist Scripps Clinic, La Jolla, California, 1972-1975.
Guest scientist National Institutes of Health, Bethesda, Maryland., 1978-1980.
Member San Diego Port Commission Environmental Advisory Committee, 1969-1972. Served to captain United States Naval Reserve, 1964-1985. Member American Society Microbiology, American Society Virology, American Association for the Advancement of Science, Society General Microbiology.
Married Jo Anne Warner, August 25, 1962 (divorced 1980). Married Deborah Ann Smeltzer November 20, 1982.