Doctor of Medicine, University Nancy, France, 1980. Diploma in public health, University Nancy, France, 1982. Master of Science in Tropical Medicine, London School Hygiene, 1983.
Registrar Central Hospital, Luxembourg, 1980-1983. Specialist physician National Health Laboratory, Luxembourg, 1983-1984. Senior medical officer International Center Medical Research, Lahore, Pakistan, 1984-1985.
Lecturer medicine University Papua New Guinea, 1985-1986. Staff epidemiologist United States Navy Medical Research Unit #3, Cairo, 1986-1990. Medical officer World Health Organization, Kigali, Rwanda, 1990-1992, consultant, 1993-1994.
Medical officer, team leader World Health Organization/Grade Point Average, Beijing, 1994-1995. Country program advisor Joint United Nations Programme on Human Immunodeficiency Virus and Acquired Immune Deficiency Syndrome, 1996—2003. Research assistant professor international health University Maryland, Baltimore, 1984—1990.
Honorary consultant Port Moresby General Hospital, Papua New Guinea, 1985—1986. Team leader epidemiological research expeditions NAMRU-3, Djibouti, 1987—1990.
Fellow: Royal Society Tropical Medicine. Member: American Public Health Association, American Society Tropical Medicine and Hygiene, American Society Microbiology.