Director, Office(s) of the Under-Secretary-General, Department of Public Information, United Nations since 1990. Chief, Research and Evaluation, Department of Public Information, New York, 1987-1990. Chief, Planning & Evaluation, Department of Public Information, 1980-1987.
Chief, Special Project(s), Division for Economic & Social Information, United Nations, New York, 1975-1980. Information Officer, Division for Economic & Social Information, 1973-1975. Assistant Professor, West Texas State University, 1972-1973.
Member of Parliament, Geita East Constituency, National Assembly, Tanzania, 1965-1968. Publicity Secretary, Tanganyika African National Union (TANU), 1965-1968. Sales Promotion Officer, East African Airways, 1965.
Public Relations Officer, Geita District Council, Tanzania, 1960-1962.