Philipp C. Bleek is a PhD candidate in international relations in the Department of Government at Georgetown University. He recently taught an advanced undergraduate seminar on nuclear weapons policy and politics at Georgetown, and has also been an instructor in the Department of Defense Senior Leader Development Program for rising mid-career civilians. Next year, he will be a Fellow at Harvard University's Belfer Center for Science and International Affairs, where he will complete his dissertation. He served on President Obama's nonproliferation policy advisory team during the 2008 campaign. He has been a Visiting Fellow at the Center for Strategic and International Studies and a Non-Resident Fellow at the Center for a New American Security, where he worked with former Secretary of the Navy Richard Danzig on bioterrorism policy. He has also been a Research Analyst at the Arms Control Association, and began his professional work on nuclear nonproliferation as a Herbert Scoville Jr. Peace Fellow. He has published on nuclear weapons issues through the U.S. National Academy of Sciences and Harvard University, among others, and has briefed on nuclear issues at the International Atomic Energy Agency in Vienna, U.S. Strategic Command in Omaha, and to government and non-governmental analysts in New Delhi, India, among others. He holds a master in public policy from the Kennedy School of Government at Harvard University and a bachelor of arts from the Woodrow Wilson School of Public and International Affairs at Princeton University.