PhD in International Relations. School of Advanced International Studies (SAIS), The Johns Hopkins University, Washington, D.C., U.S.A. Master of Social Sciences, with Mention in Political Science, Latin American School of Social Sciences (FLACSO), Buenos Aires. Graduate in International Relations, Faculty of Social Sciences, University of Salvador, Buenos Aires. Lawyer, Faculty of Law and Social Sciences, University of Buenos Aires.

Director of the Master’s in International Studies at the Torcuato Di Tella University; Former Director of Academic Affairs, National Foreign Service Institute, Ministry of Foreign Relations; Professor of the Theory of International Relations, Torcuato Di Tella University, and Member of the Editorial Board of Foreign Affairs en Español.

Konex 2006 Humanities Award. Mention in Political Science.

Former professor of Argentine International Relations and Foreign Policy at the universities of Buenos Aires and San Andrés and at FLACSO/Argentina. Also former Research Scholar, Fulbright Program, School of Advanced International Studies (SAIS), The Johns Hopkins University, Washington, D.C., U.S.A. (1980); Latin American Visiting Scholar, Institute of Latin American Studies, University of London, U.K. (1981); Visiting Professor, University of Beijing, China (1984); Visiting Professor, Department of Latin American Studies, University of Georgetown, Washington, D.C., U.S.A. (1988); Visiting Researcher, Institute of European-Latin American Relations (IRELA), Madrid, Spain (1998); Visiting Professor, Domingo Faustino Sarmiento Chair, University of Salamanca, Spain (1999); and Visiting Professor, Ortega y Gasset University Research Institute, Spain (2001/2).

Former consultant and researcher on the subjects of university education and international relations with the United Nations Development Program (UNDP); the United Nations Educational, Scientific and Cultural Organization (UNESCO); the Economic Commission for Latin America and the Caribbean (ECLAC); the Organization of American States (OAS); the Institute for European-Latin American Relations (IELAR); the Ministry of Education of Chile; and the Ministry of Foreign Affairs, the National Commission for University Evaluation and Accreditation or Comisión Nacional de Evaluación y Acreditación Universitaria (CONEAU), and the National Council for Scientific and Technical Research or Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET) of Argentina.

He has delivered lectures and participated as speaker at numerous academic meetings in Latin America, the United States, Europe, Africa, Russia, Japan, China, Australia and New Zealand.

He is the author of several books and has published over 150 articles in specialized books and magazines in Argentina and abroad, on the theory of international relations, Latin American international relations and Argentine foreign policy.

His most recent published works are: "La política internacional (1945-1983)", in Academia Nacional de la Historia. Nueva Historia de la Nación Argentina, Tomo VIII, Planeta, Buenos Aires, 2001; co-author with Mónica Hirst, El Mercosur y los cambios en el sistema político internacional”, Fundación OSDE, Buenos Aires, 2001; co-author with Deborah Norden, The United States and Argentina: Changing Relations in a Changing World, Routledge, Nueva York-Londres, 2002; "U.S. Policy toward Latin America: A view from the South", en Riordan Roett y Guadalupe Paz (eds.), Latin America in a Changing Global Environment, Lynne Rienner, 2003; co-author with Juan Tokatlian, "De la autonomía antagónica a la autonomía relacional: Una mirada teórica desde el Cono Sur", Perfiles Latinoamericanos, FLACSO/México, N° 21, 2002, y El lugar del Brasil en la política exterior argentina, Fondo de Cultura Económica, Buenos Aires, 2003;  “Poltica exterior y veinte años de democracia: Un primer balance”, en Marcos Novaro y Vicente Palermo (Comps.), La historia reciente. Argentina en democracia, Editorial Edhasa, Buenos Aires, 2004; co-author with Monica Hirst, Carlos Pérez Llana y Juan Tokatlian, Imperio, estados e instituciones. La política internacional en los comienzos del siglo XXI, Altamira, Buenos Aires, 2004; “América Latina para Estados Unidos: ¿especial, desdeñable, codiciada o perdida?”, Nueva Sociedad, núm. 206, noviembre/diciembre 2006, “Resistencia y cooperación: opciones estratégicas de América Latina frente a Estados Unidos”, en Ricardo Lagos (Comp.) América Latina: ¿integración o fragmentación?, Edhasa, Buenos Aires, 2008; co-author with Juan Gabriel Tokatlian.