Felicity Vabulas is the Blanche E. Seaver Associate Professor of International Studies at Pepperdine University. Her research focuses on the political economy of international cooperation. Specifically, she is interested in when and why states change how they cooperate internationally and the implications this has for international relations. Her research includes examining states’ exit from international agreements, states’ engagement in informal modes of global governance, and states pushing for different foreign policy strategies through foreign lobbying. Vabulas’ research is published in the Review of International Organizations, International Studies Quarterly, Journal of Peace Research, Global Perspectives, Global Policy, European Journal of International Relations, International Politics and multiple edited volume chapters. She has been awarded the 2026 Chadwick Alger prize for best book in international organizations from the International Studies Association. Additionally, she has been awarded a Seaver College Endowed Professorship and the Howard A. White Award for Excellence in Teaching. Her earlier research received a best paper award from the American Political Science Association and has been supported by the World Bank, the National Science Foundation, and the International Studies Association. She serves on the Journal of Politics and American Journal of Political Science Editorial Boards. Vabulas received her Ph.D. in public policy from the University of Chicago’s Harris School.