Sergio de Queiroz Duarte

Sergio de Queiroz Duarte (born in Rio de Janeiro, Brazil) is a Brazilian diplomat who current serves as the United Nations High Representative for Disarmament. He was appointed by UN Secretary-General Ban Ki-moon in July 2007.

A career diplomat, Duarte served the Brazilian Foreign Service for 48 years. He was the Ambassador of Brazil in a number of countries, including in Austria, Croatia, Slovakia and Slovenia concurrently(1999-2002), in China(1996-1999), in Canada(1993-1996), in Nicaragua(1986-1991), in the United States(1970-1974), in Chile(1963-1966), and in Rome(1961-1963).

In addition, he has been posted as the Brazilian representative to several International organizations, focusing on disarmament issues. In 2005, he was the President of the 2005 Seventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons. From 2000 to 2002, he was the Governor for Brazil at the Board of Governors of the International Atomic Energy Agency(IAEA). From 1999 to 2000, he was the Chairman of the Board of Governors of the IAEA. From 1979 to 1986, he served as Alternate Representative of Brazil in the Office of the Special Representative of Brazil for Disarmament Affairs in Geneva. He was also Ambassador of Brazil in the Permanent Mission to the United Nations in Geneva from 1966 to 1968.

Duarte obtained his J.D. from Federal Fluminense University, (Niterói, Rio de Janeiro) in 1958. He holds a B.A. from Brazilian School of Public Administration and he studies in the Brazilian Diplomatic Academy from 1956 to 1957.