Susan Nan Stevenson[3] is an American diplomat and career member of the Senior Foreign Service who had served as Principal Deputy Assistant Secretary in the Bureau of Intelligence and Research from October 2021 to June 2023.

[7] She assumed her post as United States Consul General in Chiang Mai, Thailand, from 2010 to 2012.

[8] She then served as Principal Deputy Assistant Secretary in the State Department's Bureau of Public Affairs.

[4] Stevenson was nominated by President Donald Trump on September 13, 2018, and was confirmed as ambassador to the Republic of Equatorial Guinea on January 2, 2019.

[9] Stevenson joined the Bureau of Intelligence and Research as the Principal Deputy Assistant Secretary in October 2021.