Mario R. Osorio Hernandez
Senior Fellow
Mario brings a rich and multifaceted background to CITD, lending both depth and breadth to his contributions as Senior Fellow, with experiences spanning international legal consulting, negotiations, policymaking, and industry advocacy. He began his career heading the government and legal affairs division of a trade association representing companies in Colombia’s oil, gas, and energy sectors. Subsequently, Mario served as a political appointee at Colombia’s tax and customs administration, providing expert guidance on trade, customs, and tax law. He played a pivotal role in supporting the passage of several tax bills, contributed to Colombia’s accession to the OECD, and held key positions in numerous international negotiations. Additionally, Mario has served as a secretary and assistant to trade panels established under the United States-Canada-Mexico Agreement (USMCA) and the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). At Georgetown Law, Mario’s work has focused on research, writing, and teaching at the interface of trade, investment, tax, antitrust, sustainable development, and legal theory. He holds bachelor’s degrees in Law (LLB) and Economics (BA), a Master of Laws (LLM), and is currently completing a Doctorate in Juridical Science (SJD).