Chemist United States Department of Agriculture, Beltsville, Maryland, 1963-1967. Grants associate National Institutes of Health, Bethesda, 1968. Health science administrator NIAMD-National Institutes of Health, 1969-1972, National Institute of Dental Research-National Institutes of Health, Bethesda, 1972-1994.
Health science administrator United States Environmental Protection Agency, 1972. Retired, 1994; director Wabasha (Minnesota) Area Chamber of Commerce, 1998-1901. Science director National Eagle Center, Wabasha, 1998-1999.
Secretary-treasurer Implantology Research Group, International Association for Dental Research/AADR, Washington, 1985-1991.