Research microbiologist Unidynamics Corporation, Goodyear, Arizona, 1964-1966. Project microbiologist Martin Marietta Aerospace, Denver, 1966-1968. Assistant to director laboratories Hyland division Travenol Laboratories, Costa Mesa, California, 1968-1972.
Director corporation regulatory affairs Howmedica, Inc. division Pfizer, New York City, 1972-1984. Vice president regulatory affairs and quality assurance Alcide Corporation, Norwalk, Connecticut, 1984-1987. Administrative intern Park City Hospital, Bridgeport, 1987-1988.
Director regulatory affairs and quality assurance Bivona, Inc., Gary, Indiana, since 1988.