Amb. Volker is a leading expert in U.S. foreign and national security policy with 30 years of experience in a variety of government, academic, and private sector capacities. He is also a non-resident senior fellow at the Center for Transatlantic Relations at Johns Hopkins University’s School of Advanced International Studies, a senior advisor at the Atlantic Council and a Trustee of IAU College in Aix-en-Provence, France. He has taught Transatlantic Relations at The George Washington University Elliott School of International Affairs. In 2017, Amb. Volker was appointed U.S. Special Representative for Ukraine Negotiations.