"Though we have achieved progress, our work is not over. That is why I support the mission of the Arms Control Association. It is, quite simply, the most effective and important organization working in the field today."
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/guardian/2026-01-16
Morality, military might and a sense of mischief: key takeaways from Trump’s New York Times interview
January 16, 2026
https://www.armscontrol.org/media-citations/truthout/2026-01-13
January 13, 2026
https://www.armscontrol.org/media-citations/financial-times/2025-11-03
November 3, 2025
https://www.armscontrol.org/media-citations/daily-express-uk/2025-10-27
October 27, 2025
https://www.armscontrol.org/media-citations/national-security-journal/2025-08-20
August 20, 2025