Institution for Social and Policy Studies

Advancing Research • Shaping Policy • Developing Leaders

Team directory: P

Team directory: P

Andrew Papachristos, Associate Professor of Sociology

Andrew V. Papachristos is an Associate Professor in the Department of Sociology at Yale University, a faculty fellow at the Center for Research on Inequalities and the Life Course (CIQLE), a Resident Faculty Fellow at the Institution for Social and Policy Studies (ISPS) and Director of The Yale Policy Lab. His research focuses on social networks, neighborhoods, street gangs, and interpersonal violence.

Olivia Paschal, Yale College, History and Political Science

Olivia Paschal is a junior from Rogers, Arkansas majoring in History and Political Science with particular interests in religion, state-level policy, and Southern history and culture. She is a managing editor for The Politic and works for the Yale University Art Gallery and Yale Athletics. Last summer in Little Rock, she worked on community organizing, legal initiatives, and policy recommendations concerning mass incarceration in the state - some of which appeared before the Arkansas General Assembly as proposed legislation this session. 

Limor Peer, Associate Director for Research

Office Location: 77 Prospect Street, Room B117
Phone: 203-432-0054

Danielle Petrafesa, Senior Administrative Assistant

Address: 77 Prospect Street, Room B111


Phone: 203-432-9736

Kyle Peyton, Graduate Student, Political Science

Kyle Peyton is working on a PhD in Political Science and a MA in Statistics. His research focuses on how interactions among institutions, social norms and behavior explain political outcomes. He is especially interested in the design and analysis of experiments for social science research and organizes the ISPS Experiments Workshop.

Benjamin Polak, Provost; William C Brainard Professor of Economics; Professor of Management

Professor Polak is an expert on decision theory, game theory, and economic history. His work explores economic agents whose goals are richer than those captured in traditional models. His work on game theory ranges from foundational theoretical work on common knowledge, to applied topics in corporate finance and law and economics. Most recently, he has made contributions to the theory of repeated games with asymmetric information. Other research interests include economic inequality and individuals’ responses to uncertainty.