Tulinabo Salama Mushingi is an American diplomat who has served as the United States ambassador to Angola and the United States ambassador to São Tomé and Príncipe since 2022. He previously served as the United States ambassador to Burkina Faso from 2013 to 2016, and a joint appointment as United States ambassador to Senegal and United States ambassador to Guinea-Bissau from 2017 to 2022. He also served in the executive offices of Secretaries of State John F. Kerry and Hillary Clinton.

James Peter Zumwalt is an American diplomat with expertise in trade, economy, and East Asia. On November 19, 2014, he was confirmed by the U.S. Senate as the U.S. Ambassador to Senegal and to Guinea-Bissau. Previously, he worked as the Deputy Assistant Secretary of State for East Asian and Pacific Affairs, covering Japan and Korea. Until December 2011, he was the Deputy Chief of Mission of the U.S. Embassy in Tokyo where he also served as chargé d'affaires ad interim during the absence of an Ambassador from January to August 2009. He coordinated the U.S. Embassy's response to the 2011 Tōhoku earthquake and tsunami.