"The Arms Control Association’s work is an important resource to legislators and policymakers when contemplating a new policy direction or decision."
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/cnn/2026-02-05
February 5, 2026
https://www.armscontrol.org/media-citations/cnn-en-espanol/2026-02-05
Aumentan los temores de una carrera armamentista nuclear después de expirar el tratado entre Estados Unidos y Rusia
February 5, 2026
https://www.armscontrol.org/media-citations/dagens/2026-01-16-0
January 16, 2026
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