Martin Rioux-Lefebvre

Senior Program Officer, Material Security and Minimization

Martin Rioux-Lefebvre is a senior program officer for material security and minimization at the Nuclear Threat Initiative. He develops and implements activities related to the International Partnership for Nuclear Disarmament Verification (IPNDV), supports NTI’s radiological security program and HEU minimization efforts, and works on issues pertaining to the nuclear fuel cycle and waste.

Prior to joining NTI, Rioux-Lefebvre worked at the International Atomic Energy Agency (IAEA) in a variety of positions. In the Office of the Deputy Director General and Head of the Department of Safeguards, he conducted research and provided analysis in support of senior leadership. In the Division of Nuclear Security, he analyzed nuclear security incidents and managed the daily operation of the Incident and Trafficking Database (ITDB) program. Rioux-Lefebvre also worked at the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) on the International Scientific Studies project.

Rioux-Lefebvre holds a master’s degree from the University of British Columbia in Vancouver, Canada.


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Centrifuge Cascade

A New Approach to the Nuclear Fuel Cycle

New approaches to the nuclear fuel cycle with the objective of mitigating proliferation risks can also help improve nuclear governance, making nuclear energy safer and more sustainable. This project sought to build consensus on common goals, address practical challenges, and engage a spectrum of actors that influence policymaking regarding the nuclear fuel cycle.

International Partnership for Nuclear Disarmament Verification

A public-private partnership to build global capacity and increase understanding of future monitoring and verification challenges.
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.