Marian Williams is a licensed psychologist based at Children’s Hospital Los Angeles, and Professor of Clinical Pediatrics and Psychology at the University of Southern California. As Program Area Lead for the Early Childhood Mental Health Program, Director of Interdisciplinary Training for the USC University Center for Excellence in Developmental Disabilities, and Director of the Stein Tikun Olam Infant-Family Mental Health Initiative, Dr. Williams specializes in infant-family and early childhood mental health and developmental disabilities in children. Dr. Williams led the Training and Technical Assistance project for First Connections, a six-year project funded by First 5 LA to enhance developmental screening and linkage for young children from underserved communities. Through these programs, Dr. Williams trains clinicians, interns, and postdoctoral fellows in infant-family mental health interventions, including relationship-based treatment for vulnerable families whose newborns are experiencing hospitalization or stressful medical procedures. She also conducts research on early identification of autism and other developmental disabilities, and improving access to care.