Corey Hinderstein currently serves as the Acting Principal Deputy Administrator of the National Nuclear Security Administration. In her role as Acting Principal Deputy Administrator she leads strategic initiatives in the Enterprise; is the lead integrator on staffing; and advances international, emergency operations, and cyber issues important to NNSA and the White House.

Prior to assuming the Acting PDA role, Corey Hinderstein was confirmed by the Senate on November 30, 2021, and subsequently sworn in as Deputy Administrator for Defense Nuclear Nonproliferation at NNSA, where she set strategic direction for NNSA’s multifaceted efforts to prevent proliferation, support arms control monitoring and verification, and advance capabilities for an uncertain future.

Prior to her appointment to NNSA, she was vice president of International Fuel Cycle Strategies at the Nuclear Threat Initiative based in Washington, D.C., where she focused on international nuclear fuel cycle and nonproliferation policy, global nuclear security, and arms control and nonproliferation monitoring and verification. From February 2015 through November 2017, Hinderstein was senior coordinator for nuclear security and nonproliferation policy affairs at the Defense Nuclear Nonproliferation office of the NNSA. In that role, she led DOE’s preparations for the 2016 Nuclear Security Summit and worked on other projects related to nuclear security and illicit trafficking, Iran’s nuclear program, and international monitoring and verification. Prior to her service at DOE, Hinderstein had been with NTI since 2006 and earlier was deputy director of the Institute for Science and International Security.

Hinderstein is a past president and Fellow of the Institute of Nuclear Materials Management and served on the board of directors for the World Institute for Nuclear Security. She also has served in advisory capacities for multiple national laboratories and has published widely on nuclear nonproliferation, verification and monitoring and nuclear security. Hinderstein graduated from Clark University in Worcester, Massachusetts, where she was elected to Phi Beta Kappa.