Elizabeth Shackelford was a career diplomat in the U.S. State Department until December 2017, when she resigned in protest of the Trump administration. During her tenure with the Foreign Service, Shackelford served in the U.S. embassies in Warsaw, Poland, South Sudan, Somalia, and Washington, D.C. For her work in South Sudan during the outbreak of civil war, Shackelford received the Barbara Watson Award for Consular Excellence, the State Department's highest honor for consular work.