Political Science

Mackenzie Lockhart
Postdoctoral Associate

Mackenzie Lockhart is a Postdoctoral Associate with the Democratic Innovations program at Yale’s Institution for Social and Policy Studies. He received a Ph.D. in political science from the University of California, San Diego in 2023. His research focuses on elections, representation, and public opinion with particular focus on how voters behave in American elections and consequences for representation.

Isabela Mares
Arnold Wolfers Professor of Political Science

Isabela Mares is the Arnold Wolfers Professor of Political Science and the Director of the European Union Center at Yale. She specializes in the comparative politics of Europe. Professor Mares has written extensively on labor market and social policy reforms, the political economy of taxation, electoral clientelism, reforms limiting electoral corruption. Her current research examines the political responses to antiparliamentarism in both contemporary and historical settings.

Paul Marx
Visiting Faculty Fellow

Paul Marx is a professor of political economy at University of Bonn. He previously held positions at University of Southern Denmark as a professor of comparative political sociology and at the University of Duisburg-Essen as a professor of socio-economics.  His research interests are related to social and political inequality, political behavior, comparative welfare state and labor market analysis, and the politics of taxation.

Sterling Professor of Political Science
Sterling Professor of Political Science, Emeritus

David Mayhew is Sterling Professor Emeritus of Political Science.

Mellissa Meisels
Postdoctoral Associate

Mellissa Meisels is a postdoctoral associate in ISPS’s Center for the Study of American Politics. In 2025, she will join Yale’s Department of Political Science as an assistant professor. She earned her Ph.D. from the Department of Political Science at Vanderbilt University, where she was affiliated with the Center for the Study of Democratic Institutions. Previously, I was a Democracy Center Visiting Scholar at the University of Rochester and earned her B.A.

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Dahl Scholar, 2023-2024

Isabel Prioleau is a junior in Davenport College pursuing a Political Science major and a certificate in French. Her research focuses on comparative European politics, and especially on understanding how contemporary threats to democracy shape and are shaped by dynamics of party competition, welfare state development, and European integration. As a Dahl Scholar, Isabel is working under the guidance of Professor Isabela Mares to situate democratic backsliding in Hungary and Poland within the context of social policy reform and nonprogrammatic electoral competition.

John Roemer
Elizabeth S. and A. Varick Stout Professor of Political Science and Economics

John Roemer is the Elizabeth S. and A. Varick Professor of Political Science and Economics. He is a Fellow of the Econometric Society, and has been a Fellow of the Guggenheim Foundation and the Russell Sage Foundation. His research concerns political economy, and distributive justice. He is currently teaching Political Competition and a Workshop in Political Economy. Publications include: Political Competition, Harvard University Press, 2001; Equality of Opportunity, Harvard University Press, 1998, Theories of Distributive Justice, Harvard University Press, 1996.

ISPS Director's Fellow 2024

Tony Ruan is a third-year student from Phoenix, Arizona completing the BA/MA in Political Science, as well as completing the Education Studies Scholars Intensive Certificate. A public school student at the time of the 2018 Red for Ed teacher strike, Tony is broadly interested in the potential of the labor movement to reject reactionism and instead inspire long-term, sustainable mobilization for economic and political justice.

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Dahl Scholar, 2023-2024

Tony is a third-year student from Phoenix, Arizona completing the BA/MA in Political Science, as well as the Education Studies Scholars program. He is broadly interested in how organized labor interacts with political institutions. As a Dahl Research Scholar, he is working with Stanley B. Resor Professor of Political Science Jacob Hacker on a project studying the National Labor Relations Board (NLRB) as an agent of policy drift.

Assistant Professor Adjunct/ Yale School of Medicine

Author, consultant, former advisor to three U.S. presidential administrations, and assistant professor, Kevin A. Sabet, Ph.D., has researched and implemented drug policy for more than 20 years. In 2011 he stepped down as senior advisor in President Obama’s drug policy office, having been the only drug policy staffer to have ever served as a political appointee in a Democrat and Republican administration.

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