Roger R. Hock received his Ph.D. from the University of California at San Diego and is the Director of the Psychology Program at Mendocino College in northern California. He is the author of several well-known books including two textbooks, Human Sexuality and 40 Studies that Changed Psychology: Explorations into the History of Psychological Research.He is coauthor of It’s My Life Now: Starting over after an Abusive Relationship or Domestic Violence. He brings over 20 years of teaching experience to the project.