Dr. Klein has been a Licensed MFT and Certified Sex Therapist for 35 years. The award-winning author of 7 books, he has given 1,000 keynotes, seminars, and in-service trainings across the U.S. and in 30 countries. Marty is a frequent guest in the popular media, including the NY Times, National Public Radio, the New Yorker, and the Daily Show. A qualified forensic expert in sexuality, Marty continually challenges popular clinical assumptions about sex, gender, desire, & pornography. Wikipedia cites Marty as the key challenger to the concept of sex addiction. Marty recently gave two Congressional briefings on evidence-based sex education. His blog and website are at www.SexEd.org.