Ms. Sison, a career member of the Senior Foreign Service, class of Career Minister, has served as an American diplomat since 1982. She currently serves as Deputy Permanent Representative at the U.S. Mission to the United Nations in New York, a position she has held since 2014. A three-time Ambassador, Ms. Sison has been a leader, policymaker, and manager of complex programs in South Asia, the Middle East, Africa, and in Washington, D.C. She has served at eleven U.S. Missions overseas and in senior leadership positions at the Department of State. Ms. Sison earned a B.A. from Wellesley College. She speaks fluent French and basic Haitian Creole and Arabic.