Thomas A. Shannon, Jr.

United States  |  Co-Chair

Former Undersecretary of State for Political Affairs

202-822-9002 ˙ press@thedialogue.org

Tom Shannon spent over 30 years in the foreign service, most recently as under-secretary of state for political affairs in the US Department of State from 2016-2018. He previously served as counselor and senior advisor to the secretary following a four-year term as US ambassador to Brazil. Shannon served as assistant secretary of state for Western Hemisphere affairs from 2005-2009 and as special assistant to the president and senior director for Western Hemisphere affairs at the National Security Council from 2003 to 2005, among other senior roles across the region. He is co-chair of the Dialogue’s Board of Directors.


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Member in the News: Tom Shannon

Venerated U.S. Ambassador Thomas Shannon retired in February 2018 after an almost 35-year career at the State Department.


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