National & International Affiliates
![Christine Percheski's picture Christine Percheski's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9745-1467157465.jpg)
Northwestern University
Assistant Professor of Sociology; Institute for Policy Research Faculty Fellow
Stratification and Social Inequality, work and occupations, health
![Elizabeth Peters's picture Elizabeth Peters's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9795-1467324514.png)
The Urban Institute
Family Research Group Leader; Director of Center on Labor, Human Services, and Population
divorce laws, child support policy, child care policy, taxes, family formation and dissolution
![Trond Petersen's picture Trond Petersen's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/petersen_trond.jpg)
University of California, Berkeley
Professor; Associate Dean of the Division of Social Sciences
organizations, social stratification, inequality, economic sociology, quantitative methods
![Paul Peterson's picture Paul Peterson's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/peterson_paul.jpg)
Harvard University
Henry Lee Shattuck Professor of Government, Director, Program on Education Policy and Governance; Senior Fellow at the Hoover Institution at Stanford University; Senior Editor of Education Next
school voucher programs, school choice, educational policy, new federalism
![Becky Pettit's picture Becky Pettit's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9772-1467329136.jpg)
University of Texas-Austin
Professor of Sociology; Faculty Affiliate, Population Research Center
social inequality, race and ethnicity, gender, labor markets, research methods
![Edmund S. Phelps's picture Edmund S. Phelps's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/phelps_edmund-s.jpg)
Columbia University
McVickar Professor of Political Economy; Director of the Center on Capitalism and Society
causes and cures of joblessness and low wages among disadvanaged workers
![Solomon Polachek's picture Solomon Polachek's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/polachek_solomon.jpg)
Binghamton University
University Distinguished Professor; IZA Research Fellow
labor economics, human capital and income distribution, econometrics
![Reinhard Pollak's picture Reinhard Pollak's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/pollak_reinhard.jpg)
Freie Universität Berlin
Head of the National Educational Panel Study: Vocational Training and Lifelong Learning, Social Science Research Center; Professor of Sociology, Freie Universität Berlin
social mobility in a comparative perspective, measures of social class, social inequality in higher education
![Jonas Pontusson's picture Jonas Pontusson's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/pontusson_jonas.jpg)
University of Geneva
Professor of Comparative Politics
comparative politics, labor market institutions and welfare states, wage inequality, income distribution, redistributive policies
![Alejandro Portes's picture Alejandro Portes's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/portes_alejandro.jpg)
University of Miami and Princeton University
Research Professor of Sociology; Member, Postdoctoral Fellowship Selection Committee, National Academy of Education; Member, Center For Research and Analysis of Migration, University College of London
enthnic enclaves, informal economics, immigrants and immigration, children of immigrants
![Canice Prendergast's picture Canice Prendergast's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9209-1468623815.png)
The University of Chicago
W. Allen Wallis Professor of Economics
empirical information economics, personnel economics, corporate finance, economics of organization
![Deborah Prentice's picture Deborah Prentice's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9454-1468628263.png)
Princeton University
Alexander Stewart 1886 Professor of Psychology, Dean of Faculty
gender, intergroup relations, persuasio and social influence, prejudice and sterotyping
![Samuel H. Preston's picture Samuel H. Preston's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/preston_samuel-h.jpg)
University of Pennsylvania
Professor of Sociology
social demography, race and ethnicity, demography of aging
![Valerie Purdie-Vaughns's picture Valerie Purdie-Vaughns's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/purdie-vaughns_valerie.jpg)
Columbia University
Director for the Laboratory of Intergroup Relations and the Social Mind; Associate Professor in the Department of Psychology; Research Fellow at the Institute for Research on African-American Studies
stigma and intergroup processes, race, gender, prejudice, stereotyping
![Adrian E. Raftery's picture Adrian E. Raftery's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9211-1468449179.jpg)
University of Washington
Professor of Statistics and Sociology
Baysian statistics, model selection, model-based clustering, spatial statistics, social mobility
![Steven Raphael's picture Steven Raphael's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9810-1468018112.png)
University of California, Berkeley
Professor of Public Policy; James D. Marver Chair in Public Policy
low-wage labor markets, housing, economics of crime and corrections, social consequences of incarceration
![Caroline Ratcliffe's picture Caroline Ratcliffe's picture](https://inequality.stanford.edu/sites/default/files/person_pictures/picture-9859-1469054747.png)
The Urban Institute
Senior Fellow; Co-Director of the Opportunity and Ownership Initiative