Dr. Timothy Shafman graduated from Harvard Medical School and spent ten years doing research on cancer-related issues and taking care of patients with brain tumors and lung cancer. Dr. Shafman joined 21st Century Oncology in June 2004 and has served as National Medical Director since 2014. In this role, he is involved in clinical and operational management and development for radiation therapy services throughout the company. Dr. Shafman is also the Medical Director of our Rhode Island and Massachusetts regional networks. He has published articles on many topics including lung cancer, brain tumors, breast cancer and the genetics of radiation sensitivity. He has also co-authored several chapters in radiation oncology textbooks.