Robert practiced at the Mayo Clinic for twenty years, serving as a Physician-Executive before retiring as an Emeritus Professor in 2019. He served as Vice Chair of the national Mayo Clinic Cancer Center Practice Committee, overseeing cancer care delivery at all of Mayo’s national sites, and was Medical Director Particle Therapy at Mayo Clinic Florida where America’s first carbon ion radiotherapy facility is being built. He also previously served as Vice Chairman of the Board of Trustees of the Mayo Clinic Health System – Albert Lea and Austin. He is the author of over 190 peer-reviewed papers. Robert has successfully led a series of national, NIH funded Phase III clinical trials searching for new pharmaceutical solutions to reduce symptoms of cancer therapy. He is currently Director of Radiation Oncology at the University of Tennessee in Knoxville, Tennessee. Robert began his scientific career as a medical physicist at the University of Kentucky, before going on to graduate from medical school at the University of Kentucky. Robert also received an MBA from Oxford University. He is currently Director of Radiation Oncology at the University of Tennessee in Knoxville, Tennessee.