Veterinary Graduate, Veterinary School, Phom Penh, Cambodia, 1972. Diploma of Advanced Studies, Science University, Nancy, France, 1974. Doctor of Philosophy, Science University, Nancy, France, 1980.
Pathology Graduate, Veterinary School, Toulouse, 1985.
Veterinary assistant Laboratory, Kiel, Germany, 1973-1974. Assistant professor School of Medicine, Nancy, 1977-1980. Head of laboratory INRS, since 1980.
Married dominique Sok, July 2, 1977. Children: Voraksmy, Tewin, Visna, Kethia.