The Administrator of the National Aeronautics and Space Administration is the highest-ranking official of NASA, the national space agency of the United States. The administrator is NASA's chief decision maker, responsible for providing clarity to the agency's vision and serving as a source of internal leadership within NASA. The office holder also has an important place within United States space policy, and is assisted by a deputy administrator. The administrator is appointed by the president of the United States, with the advice and consent of the United States Senate, and thereafter serves at the president’s pleasure. Former senator and astronaut Bill Nelson has served as the administrator since May 3, 2021.
