Dr. Bellon received her MD in 1995 from Case Western Reserve University in Cleveland, Ohio. In 2000, she completed a residency in radiation oncology at the University of Washington, Seattle, and then came to Harvard Medical School to work under the guidance of Dr. Jay Harris. Dr. Bellon is currently an assistant professor at Harvard Medical School, with a clinical practice in breast radiation oncology at Brigham and Women's Hospital and DFCI.