Professor of Pediatrics, University of Pennsylvania School of Medicine; Co-Founder and Director of Programs, Center for Parent and Teen Communication; Director of Health Services at Covenant House Pennsylvania, an agency that serves Philadelphia’s homelessness youth; Co-Developer of the Teen-Centered Method; Author, “How to Help Children Build Resilience in Uncertain Times” (2020, American Academy of Pediatrics), Reaching Teens: Strength-Based, Trauma-Sensitive, Resilience-Building Communication Strategies Rooted in Positive Youth Development (2020, 2nd Edition), Building Resilience in Children and Teens: Giving Kids Roots and Wings (2020, 4th Edition), and Raising Kids to Thrive (2015)