Dr. Chon graduated with honors from Swarthmore College, Philadelphia, and received his medical degree and was selected to the Alpha Omega Alpha Society from Robert Wood Johnson Medical School, New Brunswick, N.J.  Dr. Chon was chief resident in radiation oncology at Massachusetts General Hospital (MGH), Harvard Medical School, Boston.  He also completed a sub-fellowship in basic science research on breast cancer genetics at Harvard Medical School.  He has extensive proton therapy experience from both the Harvard Cyclotron and Francis H. Burr Proton Therapy Center at MGH.  He has special expertise in cranial and extracranial stereotactic radiation therapy as well as high dose rate brachytherapy for the treatment of gynecologic and breast cancer.  His professional memberships include the American Medical Association and the American Society for Radiation Oncology.