Linda Thomas-Greenfield

Linda Thomas-Greenfield is an American diplomat who served as the 31st United States ambassador to the United Nations under President Joe Biden from 2021 to 2025. She served as the U.S. 18th assistant secretary of state for African affairs from 2013 to 2017. Thomas-Greenfield then worked in the private sector as a senior vice president at business strategy firm Albright Stonebridge Group in Washington, D.C.