Kathryn Edin is Visiting Professor of Public Policy in the John F. Kennedy School of Government at Harvard University, and Professor of Sociology and a Research Associate at the Population Studies Center at the University of Pennsylvania. She has also taught at Rutgers University and Northwestern University. Her research focuses on policy-relevant issues including urban poverty and family life, social welfare, public housing, child support, and non-marital childbearing. Her publications include Promises I Can Keep: Why Poor Women Put Motherhood Before Marriage (2005, with Maria J. Kefalas) and Making Ends Meet: How Low Income Single Mothers Survive Welfare and Low Wage Work (1997, with Laura Lein). She is currently writing a book tentatively titled Marginal Men: Fatherhood and the Lives of Low Income Unmarried Men (with Timothy Nelson and Laura Lein), and working on an edited volume on a four-year, in-depth qualitative study of 50 unmarried couples who shared a birth in 2000, Unmarried Couples with Children (with Paula England). Other current projects include an in-depth study nested within the interim evaluation of the Moving to Opportunity Experiment and an in-depth longitudinal study of the Gautreaux Two program. Edin received her Ph.D. in Sociology from Northwestern University.