Martha DavisMartha Davis, PhD, was a psychologist in the department of psychiatry at Kaiser Permanente Medical Center in Santa Clara, CA, where she practiced individual, couples, and group psychotherapy for more than thirty years prior to her retirement. She is oauthor of Thoughts and Feelings. Elizabeth Robbins Eshelman, MSW, worked for the Kaiser Permanente Health Care Program for thirty-seven years. During her tenure, she was a clinical social worker, hospice director, researcher, health educator, and management development instructor and coach. She is retired and lives in Northern California. Matthew McKay, PhD, is a professor at the Wright Institute in Berkeley, CA. He has authored and coauthored numerous books, including 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. He lives and works in the greater San Francisco Bay Area. Read More Read Less