Leon Ratz

Senior Program Officer, Materials Risk Management

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 and a Co-Chair of the Rule of Law Working Group of the Younger Generation Leaders Network on Euro-Atlantic Security.


Rising Nuclear Dangers: Diverging Views of Strategic Stability

Results from an NTI survey of U.S., Russian, and European experts confirm a divergence in views in some critical areas and reveal opportunities for engagement in others. Acknowledging this divergence is a critical step in addressing the most serious crisis facing Russia and the West since the end of the Cold War.

A Roadmap for America’s Nuclear Policy and Posture

To coincide with a Bloomberg View op-ed published today by Ernest J. Moniz and Sam Nunn, NTI published six related policy papers that together provide an alternative vision and roadmap for America’s nuclear policy and posture and a template for Congress and the American people to evaluate the Trump Administration’s Nuclear Posture Review (NPR).

Strengthening the U.S.-India Nuclear Security Relationship

This paper outlines security challenges shared by India and the United States, and presents a menu of potential projects which could be implemented as appropriate between key stakeholders in India and the United States.

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US-Russia Meeting

Dialogue on the Future of U.S.-Russia Nuclear Cooperation

NTI has partnered with the Russian Center for Energy and Security Studies (CENESS) to launch a high-level dialogue on the future of US-Russia nuclear cooperation.
Global Dialogue Meeting

Global Dialogue on Nuclear Security Priorities

An international, cross-sector dialogue among leading government officials, experts, nuclear security practitioners, and other stakeholders to help shape the Nuclear Security Summit process and strengthen global nuclear materials security.
Younger Gen Task Force

Younger Generation Leaders Network on Euro-Atlantic Security

Launched in 2014, the Younger Generation Leaders Network on Euro-Atlantic Security (YGLN) is a project aimed at fostering dialogue and understanding among emerging leaders from the United States, Russia, Ukraine and Europe in order to rebuild trust and offer fresh ideas on how to improve the Euro-Atlantic security environment.
The Vinca nuclear research reactor, where NTI acted to catalyze the removal of two and a half bombs’ worth of HEU.

HEU Minimization

NTI supports the phased elimination of civil uses for HEU and is working to build an international consensus on reducing dependence on HEU for peaceful activities.
Trident Submarine

Military Materials Security Study Group

An international study group working to develop recommendations to tighten control of the 83 percent of the global stockpile of weapons-usable nuclear materials categorized as "military" and not subject to any international security standards or oversight mechanisms.