Lelio Marmora has worked in international development for more than 30 years. He is a member of the Board of the MTV Foundation (London, UK), a Non-Executive Independent Director of Orasure Technologies (Bethlehem, USA), and sits in several public and private strategic advisory groups in global large-scale investments. Since 2022, he is also a guest lecturer at the Peking University (Beijing, China).

He served as Executive Director of Unitaid in Geneva, Switzerland, from 2014 to 2020. Prior to that, he worked 8 years at the Global Fund to Fight AIDS, TB and Malaria, first in charge of the Latin America and the Caribbean region, and then as Director for Africa and the Middle East. Earlier in his career, Lelio Marmora worked in various capacities for the World Bank, the Inter American Development Bank and several United Nations agencies.

A lawyer graduated from the Universidad de Belgrano of Buenos Aires; he holds a DESS in International Administration of the University Paris II Panthéon-Assas.