ISABELLA BELLEZZA
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Welcome! I am an Assistant Professor of Political Science at Northwestern University. 

I study the intersection of national security and global trade, with a focus on border control. My current book project, Networked Borders, examines how the U.S. campaign to globalize its border after 9/11 helped transform territorial borders into a networked system of border governance, with lasting implications for cross-border mobility and resurgent geopolitical rivalry. It is based on my dissertation, which received the American Political Science Association's 2026 Merze Tate Award for the best dissertation in International Relations, Law, and Politics and Brown University’s 2025 Joukowsky Family Foundation Outstanding Dissertation Award. 

My other research investigates the strategic uses of secrecy in international affairs, including how the public disclosure of national security intelligence shapes attitudes toward foreign policy. Where feasible, I bring methods from network science to bear on these and other questions in global governance.


Previously, I was a Fulbright Scholar, Boren Award recipient, and pre-doctoral Fellow at the Watson Institute for International and Public Affairs. I received a Ph.D. in Political Science from Brown University and a B.A. in Political Science with Highest Honors from Swarthmore College.

You can reach me at [email protected] 



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  • Bio
  • Research
  • teaching