David Ley is a clinical psychologist, sex therapist and author, based in Albuquerque, New Mexico. He's the author of several books and research articles on sexuality, including his first book, Insatiable Wives, Women who Stray and the Men Who Love Them, which was the first book to examine the cuckolding and hotwife phenomenon. With Justin Lehmiller and Dan Savage, he published the first psychological study of the cuckold fantasy. Dr. Ley is a frequent guest in media around the world, with appearances in the New York Times, CNN and Time Magazine, as well as Hustler and Playboy magazines.