Team directory

Team directory

Scott Bokemper, Associate Research Scientist

Scott Bokemper (Ph.D., Stony Brook University, 2017) is an Associate Research Scientist at the Institution for Social and Policy Studies and the Center for the Study of American Politics, and lecturer in the Department of Political Science. He uses experimental methods to address questions related to poverty, inequality, social policy, and cooperation. He is also interested in designing and programming novel economic games.

2021 Policy Fellow

Xanni Brown,

Xanni Brown [she/her] is a fourth-year PhD candidate in the social psychology program, where she studies intergroup relations. Her work focuses on how people perceive and react to threats to racial hierarchy. Before that, she worked as the policy director at a campaign finance reform non-profit. In 2014 she received a B.A. in social studies from Harvard University, where she also played rugby and worked in the Sidanius intergroup psychology lab. 

Paula Calvo, Graduate Policy Fellow 2021

Paula Calvo,

Paula Calvo is a PhD student in the Economics Department at Yale. Her research focuses on the role of family structure in determining life-cycle outcomes, with a particular focus on women and children. She aims to understand how different policies might affect the type of households that form and the welfare of those living under different family arrangements.

Before coming to Yale she earned a M.S. in Economics at the Universidad de San Andrés in Argentina, and worked as a consultant for the World Bank and the UNCTAD.

ISPS Faculty Fellow

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.

ISPS Director's Fellow, 2021

Marco Chaidez, ISPS Director's Fellow, 2021

Marco Chaidez is a junior in Berkeley College majoring in Ethnicity, Race, and Migration, and Economics. He lives just outside of Chicago, and is especially interested in labor migration and transnational communities and identities in the United States, as well as the role of education in these communities. At Yale, he is an undergraduate research assistant at the Tobin Center for Economic Policy, a Recruitment Coordinator at the Yale College Undergraduate Admissions office, and a member of Yale’s MEChA (Movimiento Estudiantil Chicanx de Aztlan).

ISPS Director's Fellow, 2021

Patrick Chappel, ISPS Director's Fellow, 2021

Patrick Chappel is a Sophomore in Davenport College from Columbus, GA majoring in Political Science. Broadly, Patrick is interested in the function of the federal bureaucracy and execution of executive policy. As legislative gridlock continues to plague Washington, he seeks to answer how policymakers can respond to fast moving crises using existing statutory authority. At Yale, Patrick works as a research assistant for Professor Christina Kinane and is the student head of LuMin at Yale. 

Lara Chausow, Graduate Student, Political Science


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.

Xi Chen, Assistant Professor, School of Public Health

Professor Chen is a health and development economist. He recently completed his Ph.D. in applied economics at Cornell. His research seeks to better understand how social interactions affect health behavior and outcomes, how socioeconomic status drives social competition. Most of his current work draws on primary data from China.

Curriculum Vitae

Nicholas Christakis, Sterling Professor

Nicholas Christakis, Sterling Professor of Social and Natural Science, Internal Medicine & Biomedical Engineering

Dr. Nicholas Christakis is Sterling Professor of Social and Natural Science, Internal Medicine & Biomedical Engineering, and he conducts research on social factors that affect health, health care, and longevity. Dr. Christakis was recently recruited to Yale from Harvard, where he is the Director of the Human Nature Lab and the Co-Director of the Yale Institute for Network Science. His current work involves the application of network science and mathematical models to understand the dynamics of health in longitudinally evolving networks.

Zack Cooper, Associate Professsor

Zack Cooper, Associate Professor of Public Health and Economics

Zack Cooper is an Associate Professor of Public Health and of Economics and serves as director of Health Policy at the Yale University Institution for Social and Policy Studies. Professor Cooper is a health economist whose work is focused on producing data-driven scholarship that can inform public policy.