Matthew McKay, PhD, is a professor at the Wright Institute in Berkeley, California. He has authored and coauthored numerous books, including The Dialectical Behavior Therapy Skills Workbook, The Relaxation and Stress Reduction Workbook, and Self-Esteem. McKay received his PhD in clinical psychology from the California School of Professional Psychology. In private practice, he specializes in the cognitive behavioral treatment of trauma and anxiety.
Martha Davis, PhD, was a psychologist in the department of psychiatry at Kaiser Permanente Medical Center in Santa Clara, CA, where she practiced individual, couple, and group psychotherapy for more than thirty years prior to her retirement. She is coauthor of The Relaxation and Stress Reduction Workbook.
Patrick Fanning is a professional writer in the mental health field. He is coauthor of many self-help books, including Messages, Self-Esteem, and The Self-Esteem Companion.