College of Law, University of the Philippines, Manila, 1933, Bachelor of Laws. Foreign Service Institute, Institution, United States Department of State,"Washington, District of Columbia, 1947. University of Manila, 1952, Master of Laws.
Long Island University, New York, Master of Arts. Spoken languages: Filipino, English.
Ambassador, Permanent Representative of Philippines, Geneva since 1966. Ambassador to Switzerland & Austria since 1973. Ambassador to Czechoslovakia since 1974.
Chairman, Asian Group of 1977, Geneva since 1966. Deputy Chief of Mission, Embassy to Japan, 1965-1966. Permanent Mission of Philippines, New York, 1956-1965.
Representative, United Nations Security Council, 1965. Representative, Economic and Social Council, United Nations. Rapporteur, United Nations Commission on Human Rights.
Member, Deln of Philippines to United Nations General Assembly since 1956. Consul, Seattle, Washington, 1952-1956. Acting Counsellor, Office of Political & Cultural Affairs, Department of Foreign Affairs, Manila, 1952.
Executive Officer, Office of Political & Cultural Affairs, 1952. Division Chief, Assistant Division Chief, Section(s) Chief, Senior Assistant, Department of Foreign Affairs, 1946-1952. Researcher, Philippine Senate, 1946.
Justice of the Peace, Manabo, Abra, 1937.
Organizer, Dipl Golf Tournament, Geneva.
