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Dr. Julie DiMatteo is a licensed clinical psychologist board certified in Behavioral and Cognitive Therapy by the American Board of Professional Psychology (ABPP).

Amy Mariaskin, Ph.D. is a licensed clinical psychologist and founding director of the Nashville OCD and Anxiety Treatment Center in Brentwood, TN. She works with individuals with OCD, anxiety, and OC spectrum disorders across the lifespan.

Sarah Zabel retired from the U.S. Air Force in 2018 as a major general and embarked on a new career as a science writer. She currently works from her home in Bayview, Idaho.

Psychology Department Chair at Hampton University. Dr. Gadsden is a licensed psychology associate and a culturally competent insight-oriented psychotherapist with over 17 years of experience in providing therapy to individuals, couples, and families. He earned his Ph.D.

Rachel Lippin-Foster is a clinical social worker at CBC, where she provides individual and family therapy to children, adolescents, and adults utilizing Cognitive Behavioral Therapy (CBT) and Exposure and Response Prevention (ERP).

Dr. Stan D. Arkow is a Board-Certified psychiatrist working as Medical Director of CPEP & Inpatient Psychiatry at Columbia University Medical Center (CUMC). He has been on the faculty at Columbia University since 1981. Dr.