Suzanne Claeys

Associate Director and Associate Fellow, Project on Nuclear Issues
Suzanne Claeys

Suzanne Claeys is an associate director and associate fellow with the Project on Nuclear Issues at the Center for the Strategic and International Studies (CSIS) where she manages the CSIS European Trilateral Track 2 Nuclear Dialogues and research on the future of arms control in an era of strategic competition. Ms. Claeys is an M.A. and nuclear policy certificate candidate at the Elliott School of International Affairs at the George Washington University. She graduated Phi Beta Kappa from American University with a B.A. in international studies and Spanish studies.

Programs & Projects

All content by Suzanne Claeys

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How Does the Worsening Security Environment Impact Nuclear Disarmament?

On August 26, 2022, the Treaty on the Non-Proliferation of Nuclear Weapons Review Conference ended without a consensus due to the security environment. However, this narrative ignores growing friction between nuclear weapon and nonnuclear weapon states.

Critical Questions by Suzanne Claeys and Alice Spilman — September 13, 2022

Photo: ANGELA WEISS/AFP via Getty Images

Integrated Arms Control in an Era of Strategic Competition

Arms control remains an essential partner of deterrence and strategic stability. The competitive security environment, rise of disruptive technologies, and limited resources call for recoupling arms control with deterrence to address integrated, cross-domain threats today.

Report by Heather Williams , Suzanne Claeys , and Rebecca Hersman — January 21, 2022

Photo: Peter Jurik/Adobe Stock
Smart Women, Smart Power Podcast

The 2021 Defense and Security Outlook

The next-gen women scholars of the CSIS International Security Program take over the podcast. 

Podcast Episode by Beverly Kirk , Christine Brazeau , Suzanne Claeys , Catrina Doxsee , Devi Nair , and Makena Young — February 18, 2021

CSIS Smart Women, Smart Power

Arms Control Strategies for a New Administration

While the extension of the New START treaty between the United States and Russia is a critical step to promoting arms control strategies, the international environment is changing enough that new ideas and strategies are going to be necessary to ensure a secure future.

Critical Questions by Suzanne Claeys and Rebecca Hersman — February 4, 2021

Photo: Alexey SAZONOV/AFP/Getty Images

NC3: Challenges Facing the Future System

This brief is the first in the PONI Deep Dive Debrief series that explores emerging or contentious nuclear challenges. It focuses on emerging political, informational, and fiscal risks to U.S. nuclear command, control, and communications (NC3) architecture.

Brief by Suzanne Claeys , Eric Brewer , and Rebecca Hersman — July 9, 2020

Photo: U.S. Pacific Fleet/Flickr (CC BY-NC 2.0)

Bad Idea: Ignoring the Treaty on the Prohibition of Nuclear Weapons

Ignoring the Treaty on Prohibition of Nuclear Weapons (TPNW) or the “Ban Treaty” is a bad idea that will exacerbate the divide between nuclear and non-nuclear states and could lead to a dangerously uneven pace of international disarmament.
 

Commentary by Suzanne Claeys and Bernadette Stadler — December 7, 2018

Photo: U.S. Air Force photo by Senior Airman Christopher Quail