Jason A. Efstathiou, MD, DPhil

Harvard Medical School

Boston, Massachusetts

Jason A. Efstathiou, MD, DPhil, is Professor of Radiation Oncology at Harvard Medical School (HMS) as well as Director of the Genitourinary (GU) Division in the Department of Radiation Oncology and Clinical Co-Director of the Claire and John Bertucci Center for GU Cancers at Massachusetts General Hospital. He is a recognized leader in the fields of GU malignancies and radiation oncology. His research has informed clinical guidelines and made novel contributions to innovations such as organ preservation therapy for bladder cancer, technology assessment of proton beam therapy for prostate cancer, indications for and adverse effects of androgen deprivation therapy for prostate cancer, improving radiation therapy for testicular cancer, and global oncology outreach efforts. He holds leadership positions within cooperative groups (NRG), professional societies (ASTRO), and the NCI. Dr. Efstathiou holds a BS from Yale University, his MD from HMS, and a DPhil from the University of Oxford, and completed his residency training through the Harvard Radiation Oncology Program.

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