Neal Halfon, M.D., M.P.H., is director of the UCLA Center for Healthier Children, Families and Communities, and also directs the Child and Family Health Program in the UCLA School of Public Health, and the National Center for Infant and Early Childhood Health Policy. Dr. Halfon is professor of pediatrics in the David Geffen School of Medicine at UCLA; community health sciences in the UCLA School of Public Health; and public policy in the UCLA School of Public Affairs. He is also a consultant in the Health Program at RAND. Dr. Halfon has also published the results of research on immunizations for inner-city children, the health care needs of children in foster care, trends in chronic illnesses for children, delivery of health care services for children with asthma, and investigations of new models of health service delivery for high-risk children. He recently co-authored and co-edited Child Rearing in America: Challenges Facing Parents with Young Childrenwith Kathryn Taaffe McLearn and Mark A. Shuster. In this volume Dr. Halfon and a team of experts analyze findings from recent nationwide surveys, offering new insights into parenting beliefs and practices that could help bring about more family-responsive and holistic child health and developmental. Dr. Halfon has also served as a domestic policy and health care advisor to former Vice President Al Gore, providing guidance in 1998 and 1999 on the development of several new initiatives focused on family-centered community building. He continues to work with former Vice President Gore on a recently launched initiative examining new approaches to health care reform in the US.