Dr. Mathis received her doctorate from the University of Hawaii-Manoa in 2011 after completing her predoctoral internship at Westchester Jewish Community Services in Westchester County, NY. She then completed a one-year postdoctoral fellowship in the Anxiety Disorders Center at St. Louis Behavioral Medicine Institute, where she worked in an intensive outpatient program for adults and adolescents with severe anxiety and related difficulties. Dr. Mathis works with children, adolescents, and adults with a range of anxiety disorders, depression, and behavioral difficulties. She has also participated in the Trichotillomania Learning Center’s Behavioral Training Institute and works with individuals with body-focused repetitive behaviors.