Lisa E. Gordon-Hagerty

Under Secretary for Nuclear Security and NNSA Administrator

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Lisa E. Gordon-Hagerty, Under Secretary for Nuclear Security and Administrator of the National Nuclear Security Administration

Lisa E. Gordon-Hagerty serves as the Under Secretary for Nuclear Security of the U.S. Department of Energy (DOE) and Administrator of the National Nuclear Security Administration. She was confirmed by the U.S. Senate on Feb. 15, 2018. With more than 30 years of national security experience, Ms. Gordon-Hagerty is responsible for the management and operations of NNSA in support of President Trump’s nuclear security agenda. NNSA maintains and enhances the safety, security, and effectiveness of the U.S. nuclear weapons stockpile; works to reduce the global danger from weapons of mass destruction; provides the U.S. Navy with safe and effective nuclear propulsion; and responds to nuclear and radiological emergencies in the United States and abroad. 

Ms. Gordon-Hagerty served previously in several U.S. Government leadership positions, including as the Director of Combating Terrorism, National Security Council staff. She also served at DOE as the Director, Office of Emergency Response, and as Acting Director, Office of Weapons Surety. Ms. Gordon-Hagerty was a professional staff member on the U.S. House of Representatives Committee on Energy and Commerce. She began her professional career as a health physicist at DOE’s Lawrence Livermore National Laboratory.

Prior to joining the Trump Administration, Ms. Gordon-Hagerty was president of Tier Tech International, Inc., a Service Disabled Veteran Owned Small Business providing professional expertise to combating WMD terrorism worldwide. She was also president and CEO of LEG, Inc., a consulting firm focusing on national security issues. Ms. Gordon-Hagerty served as the Executive Vice President and Chief Operating Officer of USEC, Inc.

Ms. Gordon-Hagerty holds a Master of Public Health degree in Health Physics and a Bachelor of Science, both from the University of Michigan.  She is a member of the Council on Foreign Relations and the Health Physics Society.