Matthew McKay (Author)
Matthew McKay, PhD, is a professor at the Wright Institute in Berkeley, CA. He has authored and coauthored numerous books, including The Relaxation and Stress Reduction Workbook, Self-Esteem, Thoughts and Feelings, When Anger Hurts, and ACT on Life Not on Anger. He has also penned two novels, Us and The Wawona Hotel. 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. He lives and works in the greater San Francisco Bay Area.

Patrick Fanning (Author)
Patrick Fanning is a professional writer in the mental health field. He has authored and coauthored eighteen self-help books, including Self-Esteem, Thoughts and Feelings, Couple Skills, and Mind and Emotions.

Patricia E. Zurita Ona (Author)
Patricia E. Zurita Ona, PsyD, is the director of the East Bay Behavior Therapy Center and adjunct faculty at The Wright Institute. Her clinical work started first as school psychologist and then as a clinical psychologist. She has significant experience working with children, adolescents, and adults with mood, anxiety, and eating disorders, and body image concerns; particular areas of expertise are obsessive-compulsive disorder and post-traumatic stress disorder. Zurita Ona also provides specialized services for individuals struggling with emotional dysregulation problems (borderline personality disorder), with or without self-harm and suicidal behaviors. She is coauthor of Mind and Emotions, a universal protocol for emotional disorders that has received a "Self-Help Seal of Merit" from the Association for Behavior and Cognitive Therapists (ABCT).