Albert Ellis, Ph.D., was the intellectual founder of all clinical approaches that now fall under the rubric of cognitive behavior therapy, and he is generally regarded as one of the most influential psychologists of the 20th century. His Rational Emotive Behavior Therapy is now practiced and taught throughout the world, along with the numerous similar therapies that it spawned. Dr. Ellis wrote 70 books and more than 600 journal articles and monographs. At the Albert Ellis Institute, which he founded and managed for more than half a century, he personally trained or supervised thousands of clinicians. As a practicing psychologist, he personally helped more than 10,000 people lead less painful and more productive lives. Dr. Ellis received dozens of awards from organizations like the American Psychological Association and American Counseling Association for his tireless work in advancing psychology, counseling, and social work. When he received his Ph.D. from Columbia University in 1947, he had already established himself as the most renowned sex therapist in the first half of the 20th century, and he then went on to revolutionize the field of clinical psychology. Dr. Ellis died July 24, 2007, while this book was in the final stages of preparation. Mike Abrams, Ph.D., ABPP is a practicing psychologist with 30 years experience. He is a board certified Diplomate of the American Board of Professional Psychology, a Supervisor, Fellow and Diplomate of the Albert Ellis Institute. He is on the graduate psychology faculty of New York University where he has taught graduate courses in sexuality and psychotherapy.  His work on sex related issues began with his work at GMHC with people with AIDS; he was the first non-gay psychologist to volunteer to do such work in the mid 1980’s.  He spebt nearly 4 years helping, pro-bono, afflicted individuals along with their lovers and families. Dr. Abrams studied under, and for 17 years collaborated with, the prolific author and founder of sex therapy, Dr. Albert Ellis, who is also the founder of cognitive behavior therapy. Dr. Abrams is credited with extending Dr. Ellis′ theory of human personality and his methods of sex therapy. He had worked closely with Dr. Ellis in extending Ellis’ model of human sexuality to include current evolutionary psychology. Dr. Abrams also studied psychoanalysis with Robert Langs, MD.  He holds three graduate degrees in psychology, a Masters degree in business administration, a degree in educational administration and an advanced certificate in quantitative methods.  His current research includes the role of childhood sexual abuse in adult pathology, and the role of the Internet in changing sexual mores. He has published numerous journal articles on topics ranging from sexual problems to the cognitive foundations of psychoanalysis. In addition to his writing and teaching, Dr. Abrams practices clinical psychology with his wife of 25 years Dr. Lidia Abrams.  His practice centers on relationship, sexual, mood, and personality problems. He estimates that he has worked with more than 1100 people experiencing problems with sex or intimacy.  More recently, Dr. Abrams has received commendations from the Governor of New Jersey, the Hudson County Executive, and the Mayor of Jersey City for his work with chronically ill, indigent, and disabled persons.  Prior to his professional work in psychology, Dr. Abrams earned an MBA degree and worked in organizations such as the New York Stock Exchange, Merrill Lynch, and Citigroup, where he typically performed analytical and research projects. He has also consulted to numerous organizations and governmental agencies. Dr. Abrams lives with his wife and two college age daughters.   Lidia Dengelegi Abrams, Ph.D., is the executive director of Resolve Community Counseling Center, Inc., a private, nonprofit mental health agency. She also maintains a private clinical psychology practice and consults for the New Jersey Division of Youth and Family Services, the New Jersey Office of Parental Representation, and the New Jersey Division of Vocational Rehabilitation. Dr. Abrams has co-authored one other book with Dr. Ellis and has published research in the areas of AIDS education and prevention, eating disorders, and comparative psychotherapy efficacy. For several years, she conducted research on health care utilization at Rutgers University’s Institute for Health, Health Care Policy, and Aging Research. She has a master’s degree in psychology from New York University and a Ph.D. in psychology from Temple University. She is a fellow and supervisor of the Albert Ellis Institute. Dr. Abrams has taught at New Jersey City University.