Josefina del Rosario Lago

Josefina is a policy analyst in IISD’s Economic Law and Policy Program, working at the intersection of the Tax and Investment teams. She develops research and practical guidance for governments and delivers technical assistance programs on these issues. She has experience working on sustainable investment projects and international trade and investment agreements.

Before joining IISD, Josefina interned at the World Bank Group, focusing on international law and development across Latin America, the Caribbean, and Europe. She also served as legal counsel at Argentina’s Office of the Treasury Attorney General, assisting in the defense of the Argentine Republic in investor–state dispute settlement proceedings and sovereign debt disputes and contributing to international economic agreements, as well as World Trade Organization and United Nations Commission on International Trade Law negotiations.

She holds an LLM in International Law from University College London and an LLB from the University of Buenos Aires.

Josefina is fluent in Spanish, English, and French.