He joined the Uruguayan Foreign Service as Third Secretary, being assigned to the Department of International Organizations of the Ministry of Foreign Affairs as Head of the OAS Section and then the UN Section (1978-82). He served in the Permanent Mission to the United Nations, in New York, as Second and then First Secretary (1982-87). Promoted to Counselor, he was Head of the Secretariat of the Secretary General of the Ministry of Foreign Affairs (1988-89). Promoted to Minister Counsellor, he was accredited as Chargé d’Affaires in Trinidad and Tobago, with simultaneous representation in Jamaica, Barbados, Grenada, Antigua and Barbuda, Saint Lucia, Saint Vincent and the Grenadines, Saint Kitts and Nevis (1990-91). He was Minister of the Embassy in Washington DC, USA (1992-94). He was Director General of Political Affairs at the Ministry of Foreign Affairs (1995), Chief of Staff of the Minister of Foreign Affairs (1996) and then Secretary General of the Ministry of Foreign Affairs (1997). He was ambassador to Canada, simultaneously to Iceland (1998-2003). Upon returning to Montevideo, he was appointed Director General of International Economic Affairs (2003-04). He was later ambassador to Portugal (2005-10). In 2011-14, he was successively Deputy Director of the Strategic Planning Unit of the Ministry of Foreign Affairs, Director of Multilateral Affairs, Chairman of the United Nations Committee for Program and Coordination in New York and Chairman of the Confidentiality Commission of the Elimination Organization of Chemical Weapons (OPCW), based in The Hague. He was also a member of the United Nations Intergovernmental Committee of Experts on Financing for Sustainable Development in New York. In 2014 he was consul general in Milan. Finally, in the period 2015-19, he was Ambassador to Italy (at the same time as San Marino, Malta, Croatia, Albania and Slovenia), as well as Permanent Representative in Rome to the FAO, IFAD and the World Food Programme.