Robert S. Litwak is vice president for scholars and director of international security studies at the Woodrow Wilson International Center for Scholars. He is also a consultant to the Los Alamos National Laboratory. Dr. Litwak served on the National Security Council staff as director for nonproliferation in the first Clinton administration. He was an adjunct professor in the Security Studies Program at Georgetown University’s School of Foreign Service and has held visiting fellowships at Harvard University’s Center for International Affairs, the International Institute for Strategic Studies, the Russian Academy of Sciences, and Oxford University. He is the author of Deterring Nuclear Terrorism, Iran’s Nuclear Chess: After the Deal, Outlier States: American Strategies to Contain, Engage, or Change Regimes, and the forthcoming Preventing North Korea’s Nuclear Breakout. Dr. Litwak is a member of the Council on Foreign Relations, and received a doctorate in international relations from the London School of Economics.