Team directory

Team directory

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.

Alexander Coppock, Assistant Professor of Political Science

Alexander Coppock is Assistant Professor of Political Science and a resident fellow of the Institution for Social Policy Studies and Center for the Study of American Politics. He received his Ph. D. in political science from Columbia University (2016). His principal research interest lies in political persuasion and its implications for the malleability of public opinion in the context of elections. His interests extend beyond persuasion to the design and analysis of randomized experiments.

ISPS Director's Fellow

Durel Crosby, ISPS Director's Fellow, 2021

Durel Crosby is a junior majoring in Molecular Biophysics and Biochemistry. At Yale Durel serves as Co-President of the Urban Improvement Corps, and conducts research with the Policy Lab’s Segregation and Education student working group. He is interested in efforts to define education as a public versus a private good and prioritizing democratic equality. To that end, he is eager to learn more about education history and how policy and reform efforts have helped or hindered our democratic viability.

Ana De La O

Ana De La O, Associate Professor of Political Science

Ana L. De La O, Assistant Professor of Political Science, is  also affiliated with the MacMillan Center for International and Area Studies  and the Institution of Social and Policy Studies. She earned her Ph.D. from the  Massachusetts Institute of Technology. Her research interests include causes  and consequences of redistribution, politics of public goods provision, effects  of anti-poverty programs on the political behavior of recipients in developing  countries and the use of field experimental research methods.