The Population Studies Center (PSC) welcomes Visiting Scholars (Faculty, Postdocs, Research Staff, and Graduate Students) from other institutions, whether U.S. based or abroad, who are actively engaged in population studies research to work with researchers at our Center. We encourage applications from scholars in the greater Philadelphia region to collaborate with the Population Studies Center, a federally funded NIH research center. Applications are accepted on a rolling basis. See the Visiting Scholars page to learn more.



Sarah Bruhn

Postdoctoral Researcher

Ph.D., Education, Harvard University, 2022
Ed.M., School Leadership, Harvard Graduate School of Education, 2013
M.A.T., Teaching English to Speakers of Other Languages, American University, 2008
B.A., American Culture, Vassar College, 2004

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Estefanía Castañeda Pérez

Postdoctoral Researcher

Ph.D., Political Science, University of California Los Angeles, 2022
M.A., Political Science, University of California Los Angeles, 2019
B.A., Political Science; Honors Minor, Interdisciplinary Studies, San Diego State University, 2014


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Stanley Collins

Provost's Postdoctoral Fellow Affiliate

Ph.D., Sociology, Temple University
M.S., Sociology, Oklahoma State University
B.A., Economics, Morehouse College

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Tiffany Huang

Provost's Postdoctoral Fellow

Ph.D., Sociology, Columbia University, 2021
MPhil, Sociology, Columbia University, 2019
M.A., Sociology, Columbia University, 2018
M.P.H., Health Management and Policy, University of Michigan, 2014
B.A., Public Health and French, University of California, Berkeley, 2010


Andrew Kim

Postdoctoral Fellow

Ph.D., Sociology, University of Kansas, 2023
M.A., Sociology, Korea University, 2013
B.A., Sociology, Ohio State University, 2008


Xiaoliang (Daniel) Li

Visiting Scholar
Associate Professor, Sociology of Education, Northwest Normal University

Ph.D., Sociology of Education, The University of Hong Kong (HKU), 2017
M.A., Sociology, Brandeis University, 2010
B.A, Law, Southwest University of Politics and Law, 2003


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Movahed headshot

Masoud Movahed

Postdoctoral Affiliate

Ph.D., Sociology, University of Wisconsin-Madison, 2022
M.S., Sociology, University of Wisconsin-Madison, 2018
M.A., Economics and Sociology, New York University, 2015

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Helene Purcell

Postdoctoral Fellow

Ph.D., Economics, Fordham University, 2021
M.A., Economics, Fordham University, 2016
B.S., Economics and International Business, Villanova University, 2011


Namrata Ray

Postdoctoral Fellow

Ph.D., Sociology, Washington State University, 2023
M.S., Statistics, Washington State University, 2022
M.S., Demography, International Institute for Population Sciences, India, 2016
B.S., Economics Honors, with Minors in Mathematics and Statistics, India, 2013