Regional Advisor for Culture in Africa, Culture Sector, Regional Bureau(s) for Education in Africa, United Nations Educational, Scientific and Cultural Organization since 1983. ViceChancellor, University of Calabar, Nigeria, 1975-1981. Principal, Jos Campus, University of Ibadan, Nigeria, 1971-1975.
Professor of History, 1969-1983, Senior Lecturer, 1967-1969, Lecturer, 1963-1967, University of Ibadan. Teacher, Baptist Day School, Jos, Nigeria, 1954.