Party affiliation: Democrat
Intern Los Angeles County General Hospital, 1964—1965. Chief medical officer Peace Corps, Kuala Lumpur, 1965—1967. Resident physician University California, Los Angeles, 1968—1970.
Director immunization project Los Angeles County, 1970—1975, chief non-communicable disease epidemiology, 1973—1975. City health officer Long Beach (California), 1975. Director public health San Bernardino County, California, 1975—1983.
Medical director, captain United States Public Health Service, since 1983. Associate director medical response National Disaster Medical Systems, 1984—1989. Assistant professor preventive and social medicine University of California at Los Angeles School Medicine and Public Health, 1970—1977, associate professor epidemiology, 1977—1984.
Adjunct associate professor biomedical science University California, Riverside, 1980—1983. Member California Emergency Medical Services Commission, 1981—1983. Board directors Inland Counties Emergency Medical Authority, 1976—1983, chairman, 1980—1983.
Director California Conference Local Health Officers, 1976—1983. Consultant World Health Organization, since 1974, United States Public Health Service, since 1971.
Denomination: Roman Catholic
Member of University of California at Los Angeles Public Health Alumni Association (vice president 1974), Muintir Mathuna, Ireland (councillor since 1985, vice president 1988-1990, president since 1990, chief since 1990), Reserve Officers Association United States, United States Naval Institute, Association Military Surgeons United States, American Statistical Association, Malaysian Society Parasitology and Tropical Medicine, World Association Emergency and Disaster Medicine, California Public Health Association (governor council 1975-1977), California Medical Association, Royal Society Medicine, American Public Health Association, American Society Tropical Medicine and Hygiene.