William Courtney is an adjunct senior fellow at the RAND Corporation and chair of the board of trustees of the Eurasia Foundation. In 2014 he retired from Computer Sciences Corporation as senior principal for federal policy strategy. From 1972 through 1999, he was a foreign service officer in the U.S. Department of State. He co-chaired the U.S. delegation to the review conference for the 1999 Istanbul Summit of the Organization for Security and Cooperation in Europe. Earlier he was special assistant to the President for Russia, Ukraine, and Eurasia; ambassador to Georgia, Kazakhstan, and the U.S.-Soviet Bilateral Consultative Commission to implement the Threshold Test Ban Treaty; deputy U.S. negotiator in Defense and Space Talks with the USSR; and deputy executive secretary of the NSC staff. He served abroad in Brasilia, Moscow, Geneva, Almaty, and Tbilisi. He is a member of the Council on Foreign Relations, where he was an international affairs fellow, and a member and former board member of the American Academy of Diplomacy and the World Affairs Council of Washington DC. He graduated from West Virginia University with a B.A. and Brown University with a Ph.D. in economics.