Dr. Halfon is a Co-Investigator of the HCT-RN. He is also a Professor of Pediatrics in the David Geffen School of Medicine at UCLA, the Department of Health Services in the School of Public Health, and Public Policy in the School of Public Affairs. Dr. Halfon is also the founding Director of the UCLA Center for Healthier Children, Families, and Communities. In addition, Dr. Halfon is a board member of Children Youth and Families at the Institute of Medicine and National Research Council, 2001-2006; Principal Investigator for the L.A. and Ventura Study Center for the National Children’s Study; member of the IOM Committee on Child Health; director of the W.K. Kellogg funded Transforming Early Childhood Community Systems (TECCS) Initiative, a collaborative venture with United Way Worldwide. Dr. Halfon’s research has spanned clinical, health services, epidemiologic and health policy domains. Dr. Halfon has worked on several initiatives aimed at improving early childhood systems and has played a significant role in developing life course theories of health development and applying the life course health development model to a range of specific MCH-related issues and has worked on several initiated aimed at improving early childhood systems.