Gary Samore is vice president, director of studies, and Maurice R. Greenberg Chair at the Council on Foreign Relations. He has served as vice president for global security and sustainability at the John D. and Catherine T. MacArthur Foundation, director of studies and senior fellow at the International Institute for Strategic Studies, and senior director for nonproliferation on the National Security Council. He is the editor of Iran's Strategic Weapons Programme: A Net Assessment (Routledge, 2005).