Dr. Keole is a consultant in the Department of Radiation Oncology at Mayo Clinic in Arizona and the medical director of the proton beam program for the Arizona campus. He maintains a full clinical schedule and primarily treats pediatric malignancies as well as adults with breast and genitourinary malignancies. Prior to joining Mayo Clinic in 2012, Dr. Keole served as medical director of ProCure Proton Therapy Center in Oklahoma City. Dr. Keole was involved with starting the Proton Collaborative Group (PCG) and its multi-institutional, multi-disease site registry, the first of its kind in radiation oncology. This registry has now enrolled over 7,000 patients from 10 different centers.