Susan Elizabeth Rice is an American public official who was the 24th United States National Security Advisor from 2013 to 2017. She was a Brookings Institution fellow and U.S. Ambassador to the United Nations. She served on the staff of the National Security Council and as Assistant Secretary of State for African Affairs during President Bill Clinton's second term. She was confirmed as UN ambassador by the U.S. Senate by unanimous consent on January 22, 2009.