Her scholarly interests lie at the intersection of law, political economics, and international relations. She has written in the areas of international trade and foreign relations law. Brewster's most recent scholarly articles include "Rule-Based Dispute Resolution in International Trade Law" and "The Domestic Origins of International Agreements." At Harvard, Brewster teaches courses in international economic law and international relations. She has a JD from the University of Virginia School of Law and a PhD in political science from the University of North Carolina at Chapel Hill. Before coming to Cambridge, she was a Bigelow Fellow at the University of Chicago Law School and served as a law clerk for Judge Phyllis Kravitch of the Eleventh Circuit. Brewster is also an associate faculty member at HarvardÂ’sWeatherhead Center for International Affairs.