Gregory D. Koblentz is Associate Professor and Deputy Director of the Biodefense Graduate Program in the Department of Public and International Affairs at George Mason University, and a Research Affiliate with the Security Studies Program at the Massachusetts Institute of Technology. He is on leave from George Mason for the 2012-2013 academic year to serve as a Stanton Nuclear Security Fellow at the Council on Foreign Relations where he is writing a book on nuclear proliferation. Prior to arriving at George Mason, he was a Visiting Assistant Professor at the School of Foreign Service at Georgetown University, a National Security Fellow at the Olin Institute for Strategic Studies at Harvard University, and a post-doctoral fellow with the Security Studies Program at MIT. Dr. Koblentz is also a member of the Scientists Working Group on Chemical and Biological Weapons at the Center for Arms Control and Non-Proliferation in Washington, DC. His research and teaching focus on international security and weapons of mass destruction. Dr. Koblentz is the author of Living Weapons: Biological Warfare and International Security (Cornell University Press, 2009) and co-author of Tracking Nuclear Proliferation: A Guide in Maps and Charts (Carnegie Endowment for International Peace, 1998). He has also published articles in International Security, International Affairs, Nonproliferation Review, Biosecurity and Bioterrorism, Survival, Terrorism and Political Violence, Arms Control Today, Global Medical and Health Policy, and Jane’s Intelligence Review.