Team directory
Team directory
Steven Berry, Professor of Economics and Jeffrey Talpins Faculty Director of the Tobin Center for Economic Policy
Steven Berry is the Sterling Professor of Economics at Yale University, specializing in the empirical analysis of markets in equilibrium. He is currently the inaugural faculty director of the Tobin Center for Economic Policy, a research center focusing on domestic economic policy. Berry is a winner of the Frisch Medal of the Econometric Society and is an elected fellow of that society. He is also an elected member of the American Academy of Arts and Sciences.
Ron Borzekowski, Executive Director, Yale's Data-Intensive Social Science Center
Ron Borzekowski is the inaugural executive director of Yale’s Data-Intensive Social Science Center and the senior research scholar in the Economics Department and at the Institution for Social and Political Studies. Prior to Yale, Borzekowski was a director of economics at Amazon Web Services. During his time in public service, Borzekowski helped build and then lead the Office of Research at the Consumer Financial Protection Bureau.
Susan Busch, Professor of Public Health (Health Policy)
Professor Busch is a Professor of Public Health (Health Policy) and former chair of the Department of Health Policy and Management at the Yale School of Public Health. Professor Busch’s research examines the effects of policies and regulations on health care cost and quality. Most of her work focuses on behavioral health. Professor Busch’s work has been funded by the National Institute of Mental Health, the National Institute of Drug Abuse and the Robert Wood Johnson Foundation. She has an undergraduate degree from the University of Michigan, an S.M.
Christina Butler, Operations Manager
Office Location: 24 Hillhouse Avenue
Email: christina.butler@yale.edu
Megan Butler, Senior Administrative Assistant
Office Location: 77 Prospect Street
Email: megan.butler@yale.edu
Guillermo Carranza, ISPS Graduate Policy Fellow, 2026
Guillermo Carranza is a PhD candidate in Economics at Yale University. His research focuses on household finance, public economics, and applied microeconomics, with particular emphasis on how people save for retirement and protect against economic risk. He combines large-scale administrative datasets with survey methods to understand the complexities behind financial decision-making. As an ISPS Fellow, Guillermo will examine how households insure against income shocks and whether this insurance is distributed equally between spouses.
Elisa Celis, Assistant Professor of Statistics and Data Science
Elisa Celis is an assistant professor in the Statistics & Data Science department at Yale University. She studies the manifestation of social and economic biases in our online lives via the algorithms that encode and perpetuate them. Her research leverages both experimental and theoretical approaches, and her work spans multiple disciplines including data science, machine learning, fairness in socio-technical systems and algorithm design.
At Yale she co-founded the Computation and Society Initiative.
Kerwin Charles, Indra K. Nooyi Dean & Frederick W. Beinecke Professor of Economics, Policy, and Management
Kerwin K. Charles is the Indra K. Nooyi Dean & Frederick W. Beinecke Professor of Economics, Policy, and Management at the Yale School of Management (SOM). He has studied and published on a range of topics, including earnings and wealth inequality, conspicuous consumption, race and gender labor market discrimination, health and the labor market, the effects of housing booms and busts, and non-employment in the economy.
Lara Chausow, Graduate Student, Political Science
Email: lara.chausow@yale.edu
Lara Chausow is a graduate student who studies American Politics, with a focus on Congress, lobbying, and interest groups. Prior to entering graduate school, she conducted research and advocacy for government ethics and campaign finance reform at Public Citizen in Washington, DC.
Alex William Chen, ISPS Director's Fellow, 2026
Alex William Chen is a sophomore in Morse College studying History and Political Science from West Chester, Pennsylvania. He is interested in the federalization of American citizenship and the recurrence of nativist cycles in the United States. On campus, Alex serves in the YCC as the Speaker of the Undergraduate Senate and works as a research assistant for Sterling Professor of History David Blight. Recently, he completed an internship with the U.S. House Committee on Homeland Security (119th, Minority) where he focused on immigration policies.