Peter F. Orio IIi, DO, MS

Dr. Orio is the Chair of the Department of Radiation Oncology at Dana-Farber Cancer Institute. For the past ten years, he served as the Vice Chair of Network Operations for Radiation Oncology, where he guided the growth of the department to ensure high-quality care through the standardization of clinical practice, program implementation, and staff mentoring.
Dr. Orio received his bachelor's degree from the College of the Holy Cross, his master’s degree in public health from the University of Massachusetts Amherst, and his medical degree from the University of New England College of Osteopathic Medicine. He previously served in the U.S. Army as the Assistant Chief of Radiation Oncology at Brooke Army Medical Center.
During his time in the military, Dr. Orio attended numerous officer leadership schools, was awarded the Meritorious Service Medal, and rose to the rank of lieutenant Colonel. He joined Dana-Farber Brigham Cancer Center and the faculty of Harvard Medical School (HMS) …in 2010. Dr. Orio is a Past President of the American Brachytherapy Society and a past RUC member for the American Society of Radiation Oncology.