Dr. Keller is a Diplomate in Clinical Psychology and a Fellow of the American Academy of Clinical Psychology. He is a Diplomate of the American Board of Sexology. He is listed in the National Register of Health Care Providers in Psychology. Dr Keller has taught Human Sexuality at the university level. He has provided sexual counseling and sexual education for the past 30 years.
Dr Kellers practice endorses the American Psychological Association Guidelines for Psychotherapy with Lesbian, Gay, and Bisexual Clients. His practice focuses on relationship issues as well as child, adolescent and adult psychotherapy.
11020 N.TATUM BLVD., PHOENIX, AZ 85028