Sebastian Saez is a Senior Trade Economist working in the World Bank Group's Trade and Competitiveness Global Practice. Between 1990-1994, he served as advisor to the Chilean Minister of Finance, and was involved in the GATT´s Uruguay Round negotiations. Subsequently, between 1994 and 1997 he was a member of the Chilean Mission to the World Trade Organization (WTO) where he served as Deputy Permanent Representative. In 1998, as an official of the Ministry of Foreign Affairs of Chile he was Head of the Department FTAA - North America, where he was responsible for the Free Trade Agreement of the Americas negotiations. From August 2001 to July 2003 he was Head of the Department of Foreign Trade in the Ministry of Economy. In this capacity, he participated in trade negotiations with the European Union, South Korea and the United States. Later, he worked as an independent consultant until August 2005. He joined the International Trade and Integration Division at UN-ECLAC. In January 2009, he joined the Poverty Reduction and Economic Management Network, Trade Department, and was responsible for trade in services. He has published several articles on international economic relations, and the book "Estrategia y Negociación en el Sistema Multilateral de Comercio," Dolmen Ediciones, 1999. He is co-editor with O. Cattaneo, M. Engman, and R. Stern of the book: “International Trade in Services: New Trends and Opportunities for Developing Countries,” World Bank, June 2010; and Osvaldo Rosales, "Temas controversiales en negociaciones comerciales Norte-Sur," CEPAL, Santiago de Chile, 2010. He also edited “Trade in Services Negotiations: A Guide for Developing Countries,” World Bank, June 2010. More recently, he co-edited with Arti Grover Goswami and Aaditya Mattoo, "Exporting Services: A Developing Country Perspective," forthcoming.