Jill Hruby

Jill Hruby
Under Secretary of Energy for Nuclear Security Administrator of the National Nuclear Security Administration
In office July 26, 2021 – January 20, 2025
President	Joe Biden
Preceded by	William Bookless
Succeeded by	TBD
Personal details
Education	Purdue University (BS) University of California, Berkeley (MS)
Jill Hruby's voice Hruby's opening statement at a Senate Armed Services Strategic Forces Subcommittee hearing on the FY2024 National Nuclear Security Administration budget request Recorded April 18, 2023

Jill M. Hruby is an American mechanical engineer and government official. From 2021 to 2025, Hruby served as Under Secretary of Energy for Nuclear Security and Administrator of the National Nuclear Security Administration, a post subject to Senate confirmation. Jill Hruby made history as the first woman to ever head a U.S. nuclear weapons lab, serving as director of Sandia National Laboratories from 2015 to 2017.^[1]