Justin J Lehmiller Ph.D.
Justin J. Lehmiller, Ph.D., is an internationally recognized sex educator and researcher. He formerly served on the faculty at Harvard University, where he was awarded the prestigious Certificate of Teaching Excellence for his highly-enrolled Psychology of Human Sexuality course. Dr. Lehmiller conducts research on casual sex and safer-sex practices and has published a sexuality textbook that is used in college classrooms around the world. In addition, he runs a popular website entitled Sex and Psychology and does freelance writing for Playboy and other major publications.