Mr. Sokolski is the executive director of the Nonproliferation Policy Education Center (NPEC). He currently serves as an adjunct professor at the Institute of World Politics in Washington, and as a member on the Congressional Commission on the Prevention of Weapons of Mass Destruction, Proliferation, and Terrorism. In addition, Mr. Sokolski has been a resident fellow at the National Institute for Public Policy, the Heritage Foundation, and the Hoover Institution.