Senior Program Officer, Materials Risk Management

Materials Risk Management (MRM)

Expertise Dirty Bomb/Radiological, Nuclear Terrorism, US-Russia

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Leon Ratz joined NTI in January 2015 and serves as a senior program officer with NTI’s Materials Risk Management program. At NTI, Ratz works on issues pertaining to the security of military nuclear materials, Russian nuclear security, and other nuclear security and non-proliferation matters. 

Prior to joining NTI, Ratz worked for the Pacific Northwest National Laboratory as a policy specialist on Russian nuclear security in the Office for International Material Protection and Cooperation in the U.S. National Nuclear Security Administration.

Ratz holds a bachelor’s degree from Boston College and a master’s degree from Harvard University’s John F. Kennedy School of Government. While at the Kennedy School, Ratz worked as a student associate at Harvard University’s Project on Managing the Atom and published a report on the national security implications of the dissolution of the U.S. Arms Control and Disarmament Agency.

Ratz is a Security Fellow with the Truman National Security Project, a co-chair of the Rule of Law Working Group of the Younger Generation Leaders Network on Euro-Atlantic Security, and co-chair of the Nonproliferation and Arms Control Technical Division at the Institute of Nuclear Materials Management. Ratz was also recognized by Out in National Security and New America in their 2020 National Security and Foreign Policy LGBTQIA+ Out Leadership List.


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