Timothy J. Kinsella, MD, is an internationally recognized radiation oncologist and a research scholar professor of radiation oncology at The Warren Alpert Medical School of Brown University. Kinsella received his undergraduate degree from St. John Fisher College in Rochester, NY; a master’s degree with honors from Brown University; and both his master of science in radiation biology and his medical degree from the University of Rochester School of Medicine in Rochester, NY. He completed his residency training in internal medicine at the Mayo Clinic, fellowship training in medical oncology at Dana Farber Cancer Institute in Boston, MA, and his residency training in radiation oncology at the Harvard Radiation Oncology Program. He was a fellow of the American Society of Therapeutic Radiology and Oncology. Kinsella has been editor-in-chief of Frontiers in Radiation Oncology and editorial board member of eight other journals. He is board certified in internal medicine, medical oncology and radiation oncology. His areas of clinical expertise include the treatment of bone and soft tissue sarcomas, brain tumors, lymphomas, gastrointestinal cancers and pediatric cancers. He has laboratory expertise in the development of intraoperative radiotherapy, radiation sensitizing drugs and small molecules that modify DNA repair processing of radiation damage.