Dr. Cullen is a tenured Associate Professor in the Department of Psychiatry and Behavioral Sciences, and the Director of the Child and Adolescent Psychiatry Division at the University of Minnesota. She completed all of her medical and research training at the University of Minnesota. Dr. Cullen leads an NIH-funded research team examining the neurodevelopmental underpinnings of depression, self-injury and suicide risk in adolescents and young adults, and investigating interventions aimed at promoting healthy trajectories in these youth.
Dr. Cullen's research primarily focuses on depression and self-injury in adolescents. Her research approaches include the use of brain imaging to examine the biology of depression and self-harm, elucidate the mechanisms of existing treatments, and develop novel treatments.