Ph.D. 1988, Princeton University, Economics.
Henry Putnam Professor of Economics and Public Affairs, Princeton University; Director of the Center for Health and Well-Being; Co-Investigator of the Future of Families and Child Wellbeing Study (formerly known as the Fragile Families and Child Wellbeing Study) and contributor to The Future of Children.

Interests: health and well-being of children, early intervention programs, public housing, and food and nutrition programs.