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"Even in the dark days of the Cold War, we persisted. American and Soviet negotiators engaged with one another in an effort to reduce nuclear risks. If we could do it then, we can also find practical ways to tackle today’s tough challenges."

– Larry Weiler,
Former U.S.-Russian arms control negotiator
Thomas Countryman, Board Chairman


Thomas Countryman, Chairman of the BoardThomas Countryman is the chair of the Arms Control Association board of directors, a position he has held since October 2017.

Mr. Countryman was the acting undersecretary of state for arms control and international security. He served for 35 years as a member of the U.S. Foreign Service until January 2017, achieving the rank of minister-counselor, and was appointed in October 2016 to the position of acting undersecretary of state. He simultaneously served as assistant secretary of state for international security and nonproliferation, a position he had held since September 2011.

Contact Information:
[email protected]
202-463-8270 ext. 110

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