Dr. Mahajan is a Professor at the Mayo Clinic in Rochester, Minnesota since 2017. She serves as the Clinical Director of Particle Therapy in the Department of Radiation Oncology. In this role, she oversees the day to day operations of the center and is heavily involved in planning future upgrades. Upon completing her residency training in Montreal, Canada and a fellowship in proton therapy at Massachusetts General Hospital, Dr. Mahajan joined the faculty at Tufts New England Medical Center. Dr. Mahajan worked at MD Anderson Cancer Center for 15 years where she was the Section Chief for the Pediatric and CNS Radiation Oncology service. She had also served as the Proton Therapy Medical Director and the Associate Residency Program Director.Dr. Mahajan's clinicalinterests have been in radiation oncology for children, adult CNS tumors, particle therapy and other advanced technologies. During her time in Houston, she developed a robust pediatric proton practice, lead many research initiatives which resulted in over a sixty publication and several ongoing collaborations. Currently she is involved in advanced radiation therapy planning outcomes for proton therapy which will increase planning accuracy, delivery with biologic dose evaluation.Dr. Paulino is a Professor of Radiation Oncology and Director of Pediatric Radiation Oncology at the MD Anderson Cancer Center. He did his residency in Chicago, Illinois and did a one year pediatric radiation oncology fellowship at St. Jude Children’s Research Hospital. He has been treating childhood cancer for more than 25 years. His main research interest is understanding how radiotherapy can be used while minimizing late effects. He is an author of more than 200 peer-reviewed articles and more than 40 book chapters, mostly on pediatric cancer.