Ambassador Aparicio is a Professor of International Human Rights Systems at Elliot School of Foreign Affairs at George Washington University. He served as Ambassador of Bolivia to the Organization of American States (OAS), Special Ambassador to the United Nations (UN), and from 2002 to 2006, as Ambassador of Bolivia to the United States. From 1997 to 2002, he was the Executive Secretary of the newly created Summits of the Americas Secretariat at the OAS. In that capacity, he coordinated the follow-up process of three consecutive summits. He was fully involved in organizing the Summit of the Americas in Quebec City, Canada, including the negotiations of the Inter-American Democratic Charter. Ambassador Aparicio has also served as a diplomat in Venezuela, France, and UNESCO. He participates regularly as a foreign policy analyst in different international press and television media. He has a degree in Law from the University of San Andres in Bolivia; in Diplomacy from the Diplomatic Academy of Bolivia, and in International Affairs, from the Institute of Political Sciences of Paris, France.