Shannon Mullen, Ph.D., CSAT-S, is a Certified Sexual Addiction Therapist and Supervisor by the International Institute for Trauma and Addiction Professionals. She has more than 20 years of experience in assessment and treatment and is considered an expert in sexual behavior and trauma recovery. Dr. Mullen is EMDR trained and is an IFS therapist as well. She regularly teaches and supervises other professionals in this work.