Laurence A. Levine, MD, is the director of the Male Sexual Function and Fertility Program and a professor in the department of urology at Rush University Medical Center in Chicago. He is a former president of the Chicago Urological Society, serves on the board of directors of the Sexual Medicine Society of North America, and was a member of the Peyronie's disease committee at the World Health Organization's First and Second Consultations on Erectile Dysfunction in Paris in 1999 and 2003. He lives in Chicago.