Nina founded Spark Street in 2016. She has held numerous leadership positions including establishing USAID's COVID-19 Vaccine Access and Delivery Initiative and serving as its first director. She was Managing Director for Policy and Performance at Gavi, the vaccine alliance, where she led Gavi’s work in strategic planning, policy development, market-shaping, performance management, and monitoring and evaluation. Nina also served as the principal advisor and acting chief of health at Unicef, overseeing their health programs in over 150 countries. Nina holds degrees from Harvard and Columbia Universities and teaches on the faculty at Columbia University’s Mailman School of Public Health. She is a lifetime member of the Council on Foreign Relations and currently serves as a Principal Visiting Fellow at the United Nations International Institute for Global Health. Nina is Commissioner for the Lancet on Gender and Health. She is published widely, including in Washington Post, Foreign Policy, the Financial Times, the Atlantic, the Lancet, and the British Medical Journal.
