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"I want to tell you that your fact sheet on the [Missile Technology Control Regime] is very well done and useful for me when I have to speak on MTCR issues."

– Amb. Thomas Hajnoczi
Chair, MTCR
May 19, 2021
Thomas Countryman, Board Chairman


Thomas Countryman, Chairman of the BoardThomas Countryman is currently on leave from his role as the chair of the Arms Control Association board of directors. If you need to contact someone at the Association, please reach out to Daryl Kimball, executive director.

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. 107

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