NASA
Leadership

The agency's administration is located at NASA Headquarters in Washington, DC, and provides overall guidance and direction. Except under exceptional circumstances, NASA civil service employees are required to be US citizens. NASA's administrator is nominated by the President of the United States subject to the approval of the US Senate, and serves at the President's pleasure as a senior space science advisor. The current administrator is Bill Nelson, appointed by President Joe Biden, since May 3, 2021.
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