Medical Officer, Division of Communicable Diseases, World Health Organization since 1985. Senior Researcher, Department of Vaccine Development, Institute of Poliomyelitis & Viral Encephalitides, Union of Soviet Socialist Republics, 1978-1984. Chief, Laboratory of Virology, Institute of Human Bio, Mali, 1975-1978.
Researcher, 1970-1974, Postdoctoral trainee, 1967-1969, Department of Enteroviruses, Institute of Poliomyelitis & Viral Encephalitides, Union of Soviet Socialist Republics.
Born August 8, 1943