Walldorf focuses on U.S. foreign policy, grand strategy, great power politics, military intervention, and counterterrorism. His work devotes special attention to domestic factors and politics in the foreign policymaking process. He is the author of Just Politics: Human Rights and the Foreign Policy of Great Powers (Cornell University Press, 2008) and To Shape Our World For Good: Master Narratives and Forceful Regime Change in United States Foreign Policy, 1900-2011 (Cornell University Press, 2019). Will is currently writing a book, titled America’s Forever Wars: Why So Long, Why End Now, What Comes Next, that among other things develops a comprehensive strategy for over-the-horizon counterterrorism in U.S. foreign policy. Will has published articles on topics related to United States foreign policy and grand strategy in several edited volumes as well as International Security, The European Journal of International Relations, Security Studies, Political Science Quarterly, Washington Quarterly, National Interest, Defense One, Democracy Paradox, and Huffington Post.  He is co-editor of the Oxford Companion to American Politics. Will received his BA from Bowdoin College and his MA and PhD in Politics from the University of Virginia.