Regina S. Baker is an Assistant Professor of Sociology. Her research focuses primarily on the role of micro- and macro-contexts in understanding socioeconomic conditions and disparities, such as poverty and racial inequality. Her current work focuses on child poverty and poverty risks, the role of historical and political contexts in understanding regional and racial inequality, and the relationship between socioeconomic origin and intergenerational mobility. Her work is featured in outlets such as Social Forces, Journal of Marriage and Family, and American Sociological Review.

Courtney Boen is an Assistant Professor and Axilrod Faculty Fellow in the Department of Sociology and the Graduate Group in Demography. Dr. Boen’s research focuses primarily on the social determinants of population health inequality, with particular attention to the social factors producing racial-ethnic, immigrant-native, and socioeconomic health inequities. Currently, Dr. Boen is leading several research projects examining how structures of racial domination and immigrant exclusion pattern stress exposure across domains of social life (e.g., in contacts with the criminal justice system, in exclusion from wealth accumulation processes, in exposure to immigration enforcement activities) in ways that shape population health trends across the life course, historical time, and geography.

Fernando Chang-Muy is the Thomas O’Boyle Lecturer in Law. He also teaches courses at the Fels Institute and the Graduate School of Social Policy and Practice on topics such as US Immigration Law, International Human Rights and Refugee Law, and Non Profit Leadership. He is author of numerous articles on diverse topics dealing with immigration & refugees, public health and management, and is co-editor of the text Social Work with Immigrants and Refugees.


Camille Z. Charles is Walter H. and Leonore C. Annenberg Professor in the Social Sciences, Professor of Sociology, Africana Studies and Education and Director of the Center for Africana Studies. Her research interests and expertise are in the areas of racial inequality and elite higher education; including the diverse origins and experiences of Blacks at elite colleges and universities, racial residential segregation, racial attitudes and intergroup relations, and public opinion.  She is author or coauthor of numerous books and articles, including The Source of the River: The Social Origins of Freshmen at America’s Selective Colleges and Universities, Black Lives and Police Tactics Matter, and The Real Record on Racial Attitudes.

Tulia Falleti is the Class of 1965 Term Associate Professor of Political Science, Director of the Latin American and Latino Studies Program, and Senior Fellow of the Leonard Davis Institute for Health Economics. She is the author of Decentralization and Subnational Politics in Latin America and, with Santiago Cunial, of Participation in Social Policy.  She is co-editor of The Oxford Handbook of Historical Institutionalism, and Latin America Since the Left Turn. Her articles on decentralization, federalism, authoritarianism, participation, and qualitative methods have appeared in edited volumes and journals such as the American Political Science ReviewComparative Political StudiesPublius, and Qualitative Sociology. She is working on a comparative research project on the articulation of indigenous peoples’ demands regarding territorial claims, and rights to prior consultation, living well, and plurinationality.

Chenoa Flippen is a Professor in the Department of Sociology and the Population Research Center, and the Director of CSERI. Her research centers on racial and ethnic inequality and immigrant incorporation in the United States. Within these broad areas, her work focuses on the connection between geographic and social mobility, particularly the implications for stratification of the geographic dispersion of the U.S. minority population via internal migration and new areas of immigrant settlement; the contextual forces shaping ethno-racial inequality in wealth, particularly homeownership; the link between gender and migration; life-course and aging, especially as it relates to minority well-being; and Latino immigrant incorporation and health in new areas of destination in the American South. She is currently working on a book project titled The Great Dispersion: Geography, Diversity, and Opportunity among Hispanics in the United States to be published by Russell Sage.

Lance Freeman is the Penn Integrates Knowledge (PIK) Professor of City and Regional Planning and Sociology. Neighborhoods are what fascinates him and motivates his research. He studies how neighborhoods change and evolve over time, the role neighborhoods play in people’s lives, and he is exploring how we can use social media and other new technologies as tools to study neighborhoods. His study of neighborhoods is motivated by an aim to learn how we can use this knowledge to plan and build better and more equitable places. He has published a number of articles on issues related to gentrification, urban poverty, housing policy, urban sprawl, the relationship between the built environment and public health and residential segregation.  His books include There Goes the Hood: Views of Gentrification from the Ground Up, A Haven and a Hell: The Ghetto in Black America, and Planning and Control of Land Development.

Daniel Gillion is the Julie Beren Platt and Marc E. Platt Presidential Associate Professor of Political Science.  Gillion completed his Ph.D. at the University of Rochester, where he was the distinguished Provost Fellow.  He has been a Ford Foundation Fellow and Robert Wood Johnson Health Policy Scholar, a CSDP Research Scholar at Princeton and most recently an Andrew Carnegie Fellow for 2018-2020.  His research interests focus on racial and ethnic politics, political behavior, political institutions, public policy and the American presidency.

Roberto Gonzales is the Richard Perry University Professor and a Penn Integrates Knowledge (PIK) Professor, with appointments in the Department of Sociology and the Graduate School of Education. Professor Gonzales is also the founding director of the Penn Migration Initiative, a university-wide effort aimed at advancing and promoting interdisciplinary scholarship and intellectual exchange around issues of immigration policy and immigrant communities. His research, including his landmark book Lives in Limbo: Undocumented and Coming of Age in America, focuses on factors that shape and reduce economic, legal, and social inequalities among vulnerable and hard-to-reach youth populations as they transition to adulthood.

Guy Grossman is a Professor of Political Science. His research is in applied political economy, with substantive focus on political accountability, political participation, international migration and conflict processes, and a regional focus on Sub-Saharan Africa and Israel-Palestine. He is a board member of the Evidence in Governance and Politics (EGAP) network and faculty affiliate of Stanford’s Immigration Policy Lab (IPL). His work has appeared in the American Political Science Review, American Journal of Political Science, International Organization and Journal of Politics, among other journals.

Michael Hanchard is a Professor in the Africana Studies Department and Director of the Marginalized Populations Project.  His research and teaching interests combine a specialization in comparative politics with an interest in contemporary political theory, encompassing themes of nationalism, racism,  xenophobia and citizenship. His publications include Orpheus and Power: The Movimento Negro of Rio de Janeiro and Sao Paulo, Brazil, 1945-1988, Racial Politics in Contemporary Brazil, editor, Party/Politics: Horizons in Black Political Thought, and most recently, The Spectre of Race: How Discrimination Haunts Western Democracy. His scholarly articles have appeared in journals such as Public Culture, Political Theory and Social Text.

Daniel J. Hopkins is a Professor of Political Science in the Department of Political Science. His research focuses on American politics, with a particular focus on political behavior, ethnic and racial politics, state and local politics, and research methods. He is the author of dozens of academic articles as well as the 2018 book, The Increasingly United States: How and Why American Political Behavior Nationalized.


Michael Jones-Correa, Ph.D., is President’s Distinguished Professor of Political Science, Chair of the Political Science Department, and the Founding Director of CSERI. He is a co-author of Latinos in the New Millennium (Cambridge, 2012) and Latino Lives in America: Making It Home (Temple, 2010), the author of Between Two Nations: The Political Predicament of Latinos in New York City (Cornell, 1998), the editor of Governing American Cities: Inter-Ethnic Coalitions, Competition and Conflict (Russell Sage Foundation, 2001), and co-editor of Outsiders No More? Models of Immigrant Political Incorporation (Oxford 2013). He has been a lead investigator for the 2012 and 2016 Latino Immigrant National Election Study (LINES), the 2006 Latino National Survey, the Philadelphia-Atlanta Project, and other research, as well as the author of several dozen pieces on immigration, race, ethnicity, and citizenship in the United States.  Dr. Jones-Correa has been a visiting fellow at the Russell Sage Foundation, the Woodrow Wilson International Center for Scholars, and the Center for the Study of Democratic Politics at Princeton University, and was team leader and fellow for the 2010-2013 theme project “Immigration: Settlement, Immigration, and Membership,” at the Institute for the Social Sciences at Cornell.

Sarah Paoletti, Practice Professor of Law, directs the Transnational Legal Clinic, the law school’s international human rights and immigration clinic. Students enrolled in the clinic represent individual and organizational clients in a myriad of cases and projects that require them to grapple with international and comparative legal norms in settings that cut across borders, legal systems, cultures, and languages. Her research focuses on the intersection of human rights, migration, and labor law, and she has presented on this theme before the United Nations and the Organization of American States. Her recent scholarship includes Transnational Approaches to Transnational Exploitation: A Proposal for Bi-National Migrant Rights Clinics and Redefining Human Rights Lawyering Through the Lens of Critical Theory: Lessons for Pedagogy and Practice (co-author).

Emilio A. Parrado is the Dorothy Swaine Thomas Professor of Sociology. His area of specialization is social demography, with particular emphasis on international migration and family and fertility behavior. His research explores multiple dimensions of Latin American immigration and adaptation to the United States as well as demographic behavior in Latin America. Most of his published work falls into five interrelated domains: 1) Hispanic migration to new areas of destination, 2) Hispanic fertility, 3) the new geography of Hispanic settlement, 4) determinants and consequences of international migration for sending and receiving regions; and 5) social and demographic change in Latin America. Underlying these foci is a common interest in issues of inequality, development, and stratification.

Wendy D. Roth is Associate Professor of Sociology. Her research focuses on how social processes challenge racial and ethnic boundaries and transform classification systems. Her book, Race Migrations: Latinos and the Cultural Transformation of Race, examines how immigration changes cultural concepts of race, not only for the migrants themselves, but also for their host society, and for the societies they left behind. Her current work focuses on how genetic ancestry testing influences racial and ethnic identities, conceptions of race, racial attitudes, and racial interactions.

Rogers M. Smith is the Christopher H. Browne Distinguished Professor of Political Science.  He is the author or co-author of many articles and seven books, including Political Peoplehood, Still a House Divided: Race and Politics in Obama’s America with Desmond S. King, Stories of Peoplehood: The Politics and Morals of Political Membership, and Civic Ideals: Conflicting Visions of Citizenship in U.S. HistoryCivic Ideals received six best book prizes from four professional associations and was a finalist for the 1998 Pulitzer Prize in History.  Smith was elected a Fellow of the American Academy of Arts and Sciences, the American Academy of Political and Social Science, and the American Philosophical Society.  He is currently President of the American Political Science Association.

Domenic Vitiello is Associate Professor of City Planning and Urban Studies. He teaches The Immigrant City for undergraduates and Migration and Development for graduate students.  His recent research has focused on the destruction and preservation of Chinatowns in the United States and Canada; migrant-led transnational development in the U.S., Mexico, and West Africa; and migrant communities’ engagement in urban agriculture around the world.  His most recent book is an edited volume with Tom Sugrue, Immigration and Metropolitan Revitalization in the United States.  Domenic is currently writing a book titled The Sanctuary City that examines Central American, Southeast Asian, African, Arab, and Mexican immigration to Philadelphia since the 1970s.