Amb Linda Thomas-Greenfield

At-a-Glance

Served as the 31st U.S. Ambassador to the United Nations (2021-2025)
Member of President Joe Biden’s Cabinet and National Security Council
Served as Assistant Secretary of State for African Affairs (2013-2017)
Served as U.S. Ambassador to Liberia (2008–2012)
Served as Director General of the Foreign Service (2012–2013)
Distinguished Resident Fellow in African Studies at Georgetown University’s Institute for the Study of Diplomacy
Holds a Master of Public Administration from the University of Wisconsin–Madison

Biography

Linda Thomas-Greenfield is an American diplomat who served as the 31st United States Ambassador to the United Nations and U.S. Representative on the UN Security Council from 2021 to 2025.

During her tenure, she was a member of President Joe Biden’s Cabinet and National Security Council. Prior to this role, she led the State Department’s transition team for the incoming Biden Administration.