Sebastián is the director of GSMA regional office in Latin America, responsible for representing and leading GSMA activities in the region. Sebastián has been working at the GSMA since 2006 on mobile broadband and spectrum issues in developing countries, based in Latin America. He is often consulted by government agencies and mobile operators on telecom public policy and is currently member of the National Committee of Spectrum of Colombia. Prior to joining the GSMA, Sebastián worked as a consultant, in private and public international organisations including TechPolis, the Ministry of Foreign Affairs of Argentina and the Organization of American States (OAS). He holds a Master’s degree in International Affairs from the University of California, San Diego (UCSD) and a Licenciado degree in Economics from Universidad Nacional del Sur (Argentina). In 2003, he was honoured with a Fulbright Grant.