William Waller Jr., MD, works at Summit Urology in Show Low, Arizona. He specializes in the treatment of impotence, incontinence, and pediatric urology. He has lectured with major pharmaceutical companies and was awarded by the American Academy of Family Physicians. Previously from South Dakota, Dr. Waller was an assistant clinical professor of urology at the South Dakota School of Medicine from 1995-2010. He serves as a Northern Arizona representative to the State Urologic Association.