William J. Knaus, Ed.D. is a licensed psychologist with more than forty years of clinical experience in working with people suffering from anxiety and depression. He has appeared on numerous regional and national television shows including the Today Show, and more than 100 radio shows. His ideas have appeared in national magazines such as U.S. News and World Report and Good Housekeeping, and major newspapers such as the Washington Post and the Chicago Tribune. He is one of the original directors of training at the Albert Ellis Institute. Knaus is author of The Cognitive Behavioral Workbook for Depression and The Procrastination Workbook.