Christopher J Chetsanga (born 1935 in Murehwa, Rhodesia) is a preeminent Zimbabwean scientist who is a member of the African Academy of Sciences.
1965 obtained a BSc degree at the University of California, Berkeley and Pepperdine University in California, USA1965-1969 obtained MSc and PhD degrees in Biochemistry and Molecular Biology at the University of Toronto, Canada1969-1972 became a Post-doctoral Fellow, Department of Biochemistry and Molecular Biology at Harvard UniversityDiscovered two enzymes involved in the repair of damaged DNA:
Formamidopyrimidine DNA Glycosylase, which removes damaged 7-methylguanine from DNA (1979).DNA cyclase, which recloses imidazole rings of guanine and adenine damaged by x-irradiation (1985).Assistant Professor, Associate Professor, Full Professor, University of Michigan, 1972–1983Professor of Biochemistry, University of Zimbabwe, 1983–2017Dean of Science University of Zimbabwe, (1986–1991)Pro Vice Chancellor, University of Zimbabwe, (1991–1993)Director General, Scientific and Industrial Research and Development Center, Zimbabwe, 1993-2003 
