Graduate in International Relations, Mexican University El Colegio de México; postgraduate studies in International Law, Institute for High International Studies, Geneva. 1981, with Mexican Foreign Service: 1982-88, responsible for economic affairs, Permanent Mission of Mexico to UN, Geneva; 1989-91, Head, Cabinet to Undersecretary of Foreign Affairs; 1991-93, Director, International Organizations; 1993-97, assigned to Permanent Mission of Mexico to UN, New York; 1996-97, President, Third Committee, General Assembly, UN. 1997-99, General Director, Regional Organizations of the Americas, Ministry of Foreign Affairs, Coordinator for Rio Group, Iberoamerican Summit, Summit of Americas and Summit of Latin America and Caribbean with European Union; 2000, Ambassador of Mexico; 2001-02, Ambassador of Mexico to Germany; 2002-06, Ambassador of Mexico to Austria, Slovenia and Slovakia and Permanent Representative to international organizations in Vienna. From 2006, Minister of Foreign Affairs; November 2010, President, Sixteenth Conference of Parties of UN Climate Change Conference and Conference on the Parties to the Kyoto Protocol.