Former Team Members

Yuting Zhu has recently graduated at University of Pennsylvania in Quantitative Sociology major with minor in data science and bioethics. She is passionate about bioethical, health, and social issues . Yuting has completed a 10-month internship with the DZC Project through The E. Digby Baltzell Endowment scholarship.

Andrew Koepp is a postdoctoral scholar at the University of Pennsylvania (Department of Psychology) and a data science fellow through Penn’s Data Driven Discovery Initiative. He holds degrees in Human Development from Vanderbilt University (B.S.), Harvard University (Ed.M.), and the University of Texas at Austin (Ph.D.). Andrew collaborated with DZC as a graduate student.

David Mallinson is an assistant professor at the Department of Family & Preventive Medicine at Rush University. David holds a PhD in Population Health Sciences from the University of Wisconsin-Madison and focus his research in the areas of maternal, child, and reproductive health. He specializes in analyzing large administrative data sources, such as vital statistics and health insurance claims, to measure the impact of prenatal and early-life health exposures on outcomes for infants, mothers, and family members. David collaborated with DZC as a postdoctoral researcher.

Sneha Kumar is an Assistant Professor of Human Development and Social Policy at Northwestern University. She is a social demographer who studies the determinants and consequences of global family change. Her research focuses on understanding how/why family dynamics are changing across the Global South, and what these changes mean for the health and wellbeing of aging individuals and young adults. Prior to coming to Northwestern, Sneha was a postdoctoral fellow at the University of Texas at Austin with the DZC project. She holds a PhD in Development Sociology with a concentration in Population and Development from Cornell University. Sneha started her work with the DZC Project as a postdoctoral researcher and now is one of its co-investigators.

Ann Biddlecom received her PhD in Sociology and Population Studies from Brown University and is an independent researcher, and most recently served as Director of International Research at the Guttmacher Institute in New York. Her research interests are on sexual and reproductive health worldwide, the estimation of levels and trends in sexual and reproductive health outcomes, particularly family planning and outcomes among adolescents, and approaches to improve the measurement of sexual and reproductive health behaviors. She also served as Chief of the Fertility and Family Planning Section in the Population Division of the United Nations from 2009 to 2016, and held prior research positions at the Guttmacher Institute, the University of Michigan and the Population Council. Dr. Biddlecom served as an Advisory Board member for the DZC Project.

Mick Couper is a Research Professor Emeritus, at the Institute for Social Research, University of Michigan. He is an international expert on the use of technology in survey data collection, particularly regarding web-based data collections. His research over the past 25 years has been devoted to understanding and improving survey data collection to maximize data quality and minimize inferential risks. He has directed several large data collection efforts, including the National Survey of Family Growth, and he serves as Co-Investigator on several ongoing national studies located in the University of Michigan’s Survey Research Center. His current research focuses on the use of mobile devices (e.g., smartphones) for survey data collection. He received his Ph.D. in Sociology from Rhodes University in Grahamstown, South Africa. Dr. Couper served as an Advisory Board Member for the DZC Project.