1973, degree in Law, Universidad de Chile; 1975-76, Fulbright Scholarship for postgraduate studies, Law School, University of California, Berkeley. 1976, international economic relations, Foreign Service, Chile; 1979-84, Delegation of Chile to GATT, Geneva; Coordinator for Trade Policy Affairs, Economic System for Latin America (SELA), Caracas; 1993-94, Director, Bilateral Economic Affairs; 1994-99, Director, Multilateral Economic Affairs; 1996-97, Chile's Senior Official to APEC; Deputy Chief Negotiator, Chile-Canada Free Trade Agreement; 1997-98, Chief Negotiator, Chile-Mexico Free Trade Agreement; 1999, Director-General, International Economic Relations; 2000, Ambassador and Permanent Representative of Chile, World Trade Organization (WTO), Geneva; 2001, Chairperson, Committee on Trade and Environment, WTO; 2002, Chairman, Special Session of the Council for Trade in Services, in charge of negotiations mandated by Ministers in Doha. Author of numerous articles and papers on international trade.