Thomas Countryman, Board Chairman

Thomas Countryman, Chairman of the BoardMr. 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.

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Recent Publications and Citations

April 18, 2024
September 22, 2023
September 15, 2023
September 15, 2023
September 15, 2023