“For 50 years, the Arms Control Association has educated citizens around the world to help create broad support for U.S.-led arms control and nonproliferation achievements.”
Thomas Countryman, Board Chairman
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]
Recent Publications and Citations
https://www.armscontrol.org/media-citations/usa-today/2026-07-24
July 24, 2026
https://www.armscontrol.org/media-citations/tass/2026-06-03
June 3, 2026
https://www.armscontrol.org/media-citations/south-china-morning-post/2026-04-24
April 24, 2026
https://www.armscontrol.org/pressroom/2026-04/madman-without-strategy-trumps-latest-threats-are-unacceptable
April 7, 2026
https://www.armscontrol.org/media-citations/newsweek/2026-03-23
March 23, 2026