Columbia University; National Center for Children & Families

Senior Research Scientist, Orelena Hawks Puckett Institute

University of Cambridge

UCSF

Professor of Sociology and Human Development and Family Science, Syracuse University

Professor, Applied Psychology and Human Development,University of Toronto

Professor, Human Development, University of Maryland

Columbia University and New York State Psychiatric Institute

Professor of Empirical Sociology, Erasmus University Rotterdam

Research Professor, University of Denver