He is a child and adolescent inpatient psychiatrist at the University of Utah Neuropsychiatric Institute (UNI). Here he treats hospitalized youth, ages 4-17, with a variety of psychiatric conditions. Dr. Pierson is also the co-Medical Director of the Comprehensive Assessment and Treatment (CAT) Program at UNI. He also treats adults and youth in the Treatment-Resistant Mood Disorders (TRMD) clinic.