Matthew D. Kliethermes, Ph.D., is the Training Director at Children’s Advocacy Services of Greater St. Louis (CASGSL) and an Associate Clinical Professor in the Department of Psychological Sciences at the University of Missouri-St. Louis (UMSL). Dr. Kliethermes has over 15 years of experience and extensive training in the field of child trauma. He provides direct clinical services to youth exposed to trauma, supervises mental health trainees, teaches at the undergraduate level, and provides frequent training and consultation at local, state, and national levels. Dr. Kliethermes is a nationally certified Trauma-Focused Cognitive Behavioral Therapy (TF-CBT) trainer and the author of multiple book chapters and articles pertaining to TF-CBT and childhood trauma.