Who We Are

Director: William Frey

William H. Frey is a Ph.D. demographer and sociologist specializing in U.S. demographics. He is currently a Senior Fellow with the Metropolitan Policy Program at the Brookings Institution in Washington, DC and Research Professor at the University of Michigan's Institute for Social Research. Dr. Frey received his Ph.D. from Brown University in 1974. In 1980-81 he was a Visiting Research Scholar at the International Institute for Applied Systems Analysis (Austria); in 1988 the Andrew W. Mellon Research Scholar at the Population Reference Bureau, Washington, DC; and in 1995, Hewlett Visiting Scholar at Child Trends in Washington, D.C.

Dr. Frey has written widely on issues relating to migration, population redistribution, and the demography of metropolitan areas. He has authored well over 100 publications and several books including Regional and Metropolitan Growth and Decline in the US (Russell Sage, 1988, with Alden Speare, Jr); and America By the Numbers: A Fieldguide to the US Population (The New Press, 2001 with Bill Abresch and Jonathan Yeasting). At Michigan he has directed projects with the National Science Foundation, NICHD Center for Population Research, NIA, and several foundations. He has contributed to the 1995 President's National Urban Policy Report, to HUD's State of the Cities 2000 report, to the Russell Sage Foundation's Census research series in 1980 and 1990, and has been consultant to the US Census Bureau on migration research and publications. He served as contributing editor to American Demographics magazine. 


Manager: John Paul DeWitt

JP DeWitt came to SSDAN in 2001 and has extensive experience spotting and writing about census trends.  He is a co-author of The Allyn and Bacon Social Atlas of the United States (2008) and the Census Bureau publication, A Compass for Understanding and Using American Community Survey Data: What the Media Need to Know


Cathy Sun
David Mickey-Pabello (Mickey)


Alyssa Simmons: Alyssa is an undergraduate student in Biopsychology, Cognition, and Neuroscience with hopes of going to medical school. Her research interests include racial and gender based disparities in health and occupation, fertility and family patterns in the U.S., and the impacts of chronic disease on quality of life.

Anna Foster (Foster): Foster graduated with a master's degree from the School of Education where she studied Leadership and Policy. Her work is focused on networked school improvement and issues of equity and access within communities. She has worked as a baker, opened a small business, and been a high school history teacher.




Bithia Ratnasamy: Bithia is a graduate student in Urban Planning, concentrating in housing and community economic development policy. She has worked on planning and community outreach efforts as an AmeriCorps VISTA with the City of Phoenix Planning and Development Department and as a staffer in a Phoenix city council office.





Daniela Oliva: Daniela is a graduate student at the Ford School of Public Policy. She has previous experience working as an advisor in the Chilean Ministry of Interior and as a consultant in the International Labor Organization (ILO). Her research interests are focused on gender-based issues and perspectives, labor, education and political institutions. 




Michelle Rubin: Michelle is a graduate student in Public Policy and Urban Planning. She previously worked in Detroit Public Schools with the education nonprofit, City Year Detroit. She is interested in migration patterns, urban policy, and community development.





Anna Graff: Anna is an undergraduate student studying Economics with minors in Sustainability and Eastern European Studies. She would like to earn her J.D. in International Law and eventually work developing and implementing climate change policy. Anna’s experience in political campaigns, and the voting trends that drive them, led her to her work with Census data at SSDAN.

Erica Liao: Erica is an undergraduate student, pursuing a major in Political Science and minors in Computer Science, German, and Law, Justice, & Social Change. In the past, she has assisted with research concerning the relationship between Congress and the federal bureaucracy. 

Mel Neal: Mel is an undergraduate student double majoring in History and Women's Studies. She hopes to go to law school in the future. She is especially interested in researching American demographic trends. 

Natalie Hodgkiss: Natalie is an undergraduate student studying Psychology and Political Science in hopes of going to law school. She is interested in incorporating demographic data into her social science research.

Tyler Aman: Tyler is an undergraduate student majoring in Psychology and minoring in Applied Statistics. He hopes to attend graduate school. His research interests include the effects of gender and racial demographics in the U.S. population over time. 

Xuewei (Lily) Chen: Xuewei is a graduate student in Urban Planning. She has has expertise in design, and is now interested in urban development research.

YingXian Lim: YingXian is a graduate student in Health Management and Policy. She has previous experience conducting economic and statistical analysis at the National University of Singapore. Her research interests include policy evaluation and the health outcomes of marginalized groups

Noah Bearman: Noah is an undergraduate student studying Computer Science. He is originally from Evanston, Illinois. He is interested in super computing, artificial intelligence, technology, and video games.