Philip A. Cowan is Professor of Psychology Emeritus and Professor of the Graduate School at the University of California, Berkeley. He is co-director of 3 longitudinal preventive intervention projects with Carolyn Pape Cowan. Dr. Cowan served as Director of the Clinical Psychology Program and the Institute of Human Development at UC Berkeley. In addition to authoring numerous scientific articles, he is the author of Piaget with Feeling (Holt, Rinehart, & Winston, 1978), co-author of When Partners Become Parents: The Big Life Change for Couples (Erlbaum, 2000), and co-editor of four books and monographs, including Family Transitions (Erlbaum, 1990), and The Family Context of Parenting in the Child's Adaptation to School (Erlbaum, 2005).