Nuclear disarmament and nonproliferation, international relations
President of Pugwash Conferences on Science and World Affairs. In 1957, he graduated from the Brazilian Foreign Service Academy. In the Ministry of Foreign Affairs of Brazil, he held the positions of Head of Personnel, General Secretary for Financial Control, Inspector General and Secretary General of the Foreign Service. He served as Second Secretary, First Secretary and Counselor at the Brazilian Embassies in Rome, Buenos Aires, the Permanent Mission of Brazil in Geneva, and the Embassy in Washington, also served as Minister-Counselor in the Office of the Brazilian Representative for Disarmament Affairs in Geneva. He was the Ambassador of Brazil to Nicaragua, Canada, China, and Austria. Also served as Counselor to Brazilian Delegations to the several sessions of the First Committee of the UN General Assembly in New York (1966-1986), Delegate to the Eighteen Nation Committee on Disarmament (1966-1968) and Alternate Representative of Brazil to the Conference on Disarmament in Geneva (1979-1985). He was the Representative of Brazil to the Board of Governors of the International Atomic Energy Agency (1999-2002), the President of the IAEA Board of Governors (1999-2000), the President of the Review Conference of the Parties to the Treaty on the Nonproliferation of Nuclear Weapons (2005) and the High Representative of the United Nations for Disarmament Affairs (2007-2012). He is the author of many articles published in specialized publications in Brazil, the United States and Europe on nuclear disarmament and nonproliferation, international relations in general. Member of PIR Center Advisory Board.
