Karyn Hartz-Mandell, PhD, is a clinical psychologist in the Division of Child and Adolescent Psychiatry at MedStar Georgetown University Hospital and an assistant professor of Clinical Psychiatry at Georgetown University Medical Center. Dr. Hartz-Mandell's clinical work focuses on early childhood mental health, child group therapy, and parent training and support, including treatment for childhood anxiety, adjustment disorders, and behavioral disorders. Dr. Hartz-Mandell leads the Resilience Builder cognitive-behavioral group therapy program for children and adolescents in the psychiatry department. Dr. Hartz-Mandell provides supervision and teaching for psychology externs and psychiatry fellows.

Dr. Hartz-Mandell is part of the Early Childhood Innovation Network (ECIN) where she engages in research and evaluation of early childhood programs, including early childhood mental health consultation in early learning environments as well as child development and mental health support in pediatric primary care. Dr. Hartz-Mandell's research interests include early childhood mental health, teacher-child relationships, classrooms interactions, and the implementation of prevention and intervention programs to support children's social, emotional, and behavioral wellbeing.  

Dr. Hartz-Mandell completed her Bachelor’s Degree at Cornell University. She then completed her Ph.D. in clinical psychology at the University of Virginia Curry School of Education, her clinical internship at the Institute of Living/Hartford Hospital, and her postdoctoral fellowship specializing in early childhood mental health at Brown University.