Matthew McKay, PhD, is a professor at the Wright Institute in Berkeley, CA. He has authored and coauthored numerous books, including The Dialectical Behavior Therapy Skills Workbook, The Relaxation and Stress Reduction Workbook, Self-Esteem, Thoughts and Feelings, When Anger Hurts, and ACT on Life Not on Anger. McKay received his PhD in clinical psychology from the California School of Professional Psychology, and specializes in the cognitive behavioral treatment of anxiety and depression.Michael Jason Greenberg, PsyD, cofacilitated a pilot study on the hybrid acceptance and commitment therapy (ACT) and schema therapy treatment protocol for defectiveness, which was developed by Matthew McKay and Michelle Skeen. He received his doctorate in clinical psychology in 2017, and holds his California licensure as a clinical psychologist. Michael has held many leadership roles, including serving as assistant department head for mental health at the Naval Hospital Twentynine Palms in Southern California, where he engaged active-duty personnel in evidence-based treatments for anxiety, depression, and post-traumatic stress disorder (PTSD).Patrick Fanning is a professional writer in the mental health field, and founder of a men's support group in Northern California. He has authored and coauthored twelve self-help books, including Self-Esteem, Thoughts and Feelings, Couple Skills, and Mind and Emotions.