Assistant Secretary-General, Deputy Executive Director (Program), United Nations Population Fund since 1990. Assistant Executive Director, United Nations Population Fund, New York, 1988-1990. Director, Office of Programme Coordination, Management & Field Support, 1987-1989, Programme Division, United Nations Population Fund, New York, 1982-1987.
Chief, Asia & the Pacific Branch, 1975-1981, Senior Programme Officer, 1970-1973, United Nations Population Fund, New York. Area Officer, United Nations Development Program, New York, 1969-1970. Assistant Resident Representative, United Nations Development Program, Jakarta, Baghdad, 1964-1969.
Member, Economic Legislative Advisor Committee(s), Philippine Congress, 1964. Professor of Sociology, Manila, 1962-1964.