Sarah Hornack, Ph.D., is a clinical psychologist in the Division of Psychology and Behavioral Health and Clinical Director of the Takoma Outpatient Psychology Clinic at Children's National Hospital.

She has expertise in pediatric psychology, which addresses psychological aspects of illness and the promotion of health behaviors.  Dr. Hornack aims to improve outcomes and enhance quality of life for youth who are affected by both chronic illness and mental health issues, such as mood disorders, anxiety or executive functioning deficits. She is part of multidisciplinary care teams at Children's that are addressing problems related to eating and weight management disorders. Dr. Hornack also participates in the training of psychology predoctoral externs and interns. Her research interests include program evaluation and linkages between disordered eating and other aspects of psychological functioning.