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Isabelle Williams


Isabelle Williams joined the Nuclear Threat Initiative in 2007 and serves as codirector of the Nuclear Security Project, where she helps coordinate international strategy, including managing the work of NSP global partners in the areas of research, analysis, policy development, and public education. She has also helped develop the NSP analytical framework and coauthored the report “NATO and Nuclear Weapons: Is a New Consensus Possible?” Earlier, she worked at the Partnership for Global Security, where she managed the next generation nonproliferation program, which included work on Pakistan’s nuclear security and US threat reduction budgets, and at the Chemical and Biological Arms Control Institute and the International Institute for Strategic Studies in London. She earned degrees from the University of Leeds, United Kingdom.

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Recent Commentary

Blank Section (Placeholder)Analysis and Commentary

The Future of NATO’s Nukes

by Isabelle Williams, Steven P. Andreasenvia Defining Ideas
Wednesday, March 25, 2015

What role should the weapons play in the alliance’s strategy of deterrence?

Europe and Russia: The War That Must Never Be Fought

by Pavel Podvig, Isabelle Williams, Steven P. Andreasen, Katarzyna Kubiak, Oliver Meiervia Analysis
Thursday, March 12, 2015

This section is a review of current nuclear issues in the Euro-Atlantic region. This is where the most intense and dangerous East-West confrontations of the Cold War were centered and the legacy of that era still influences thinking.