Jean du Preez

Senior Program Manager
for Education and Training

[email protected]
Monterey, CA

Jean du Preez manages the CNS International Visiting Fellows Program and various other nonproliferation education and outreach activities, including internships at international nonproliferation organizations and regional short courses for diplomats and women in STEM. He is also a member of the International Panel of Fissile Material (IPFM). His research interest included the NPT, future of the CTBT, a future FMCT, and the role of the Non-Aligned Movement in nonproliferation, arms control and disarmament.


Jean du Preez has more than 30 years’ experience in diplomacy, international security, arms control, nonproliferation and disarmament. After a long diplomatic career in the South African Foreign Service, he joined CNS in 2002 where he led the International Organization and Nonproliferation program, and served as Nonproliferation Professor on the MIIS faculty. In 2009 he was recruited by the Comprehensive Nuclear-Test-Ban Treaty Organization in Vienna where he led the external relations and international cooperation section until August 2016. Upon his return from Vienna, he worked as an independent consultant specializing in public diplomacy, and multilateral nonproliferation, arms control and disarmament before rejoining CNS in 2019.

He participated in negotiations on several nonproliferation, disarmament and arms control agreements and conferences, including in the context of the NPT, BWC, CWC, CTBT, small arms and light weapons, and the General Assembly First Committee on Disarmament.

He has specialized knowledge on counter-proliferation mechanisms and nonproliferation export controls, and served on the South African Council for the Non-proliferation of Weapons of Mass Destruction.

He has published numerous scholarly articles, book chapters, conference papers and web-based reports related to nonproliferation, arms control and disarmament. He taught and continue to teach courses on the role of the United Nations and other international organizations in nonproliferation, the NPT, arms control simulations, negotiation strategies, etc.


CNS Work

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