Ruth Ellingsen, Ph.D. is a postdoctoral fellow in the Department of Psychiatry and Biobehavioral Sciences at the UCLA Semel Institute for Neuroscience and Human Behavior. Dr. Ellingsen received her doctorate in clinical psychology from UCLA in 2016 and completed a clinical internship in child psychology at UCLA from 2015-2016. As a postdoctoral fellow for the UCLA PEERS® Clinic, Dr. Ellingsen co-facilitates PEERS® for Adolescents and PEERS® for Young Adults social skills intervention groups under the mentorship of Dr. Elizabeth Laugeson. She is also a postdoctoral fellow in the UCLA Nathanson Family Resilience Center where she specializes in the prevention and treatment of traumatic stress in children and families. Her research focuses on factors that influence positive parenting of children at risk.