Chief, Industry, Energy & Environment Statistics Branch, Statistical Office(s), Department of International Economic and Social Affairs, United Nations since 1991. Senior Statistician, Cost of Living Division, International Civil Service Commission, New York, 1983-1991. Deputy Gov, Gov Office(s), Central Bank of Ghana, 1982-1983, 1972-1979.
Director of Statistics, National Statistical Office(s), Ghana, 1980-1982. Lecturer in Statistics, Mathematics Department, Kumasi University, Ghana, 1967-1972, 1962-1963.