Medical Officer, Maternal & Child Health & Family Planning Program, Family Health Division, World Health Organization since 1990. Medical Officer, Regional Training Centre in Family Health, World Health Organization, Mauritius, 1984-1990. Medical Officer/Regional Officer, HMD, World Health Organization Regional Office(s) for Africa, Congo, 1982-1984.
Assistant Professor, Health Program Alliance, Johns Hopkins University School of Hygiene & Public Health, 1979-1982. Assistant Professor, Health Association Program, Johns Hopkins University School of Health Services, 1976-1979. Director, Nursing Auxiliary Training School, Baptist Community of West Zaire, 1973-1976.
Assistant Professor, Maternal & Child Health, Johns Hopkins University School of Hygiene & Public Health, 1971-1972. Pediatrician, United States Army Hospital, Fort Campbell, Kentucky, 1968 70.