Susan Thornton is a former U.S. diplomat and acting assistant secretary of state for east Asian and pacific affairs. Thornton was with the State Department for nearly 30 years working in Beijing, Chengdu, Turkmenistan, Armenia, and Kazakhstan. She was nominated to be assistant secretary of state for east Asian and pacific affairs in 2018 but was not confirmed. She led east Asia policymaking at the State Department during negotiations of North Korea’s nuclear arsenal and the trade war with Chin