Dr. O’Donnell received her medical degree from Vanderbilt University. She completed her residency in internal medicine at the Beth Israel Deaconess Medical Center where she served an additional year as a Chief Resident. She completed her fellowship in hematology and oncology at Dana-Farber Cancer Institute. She is the Director of Early Detection and Prevention at Dana-Farber and an Assistant Professor of Medicine at Harvard Medical School. She specializes in plasma cell disorders with a particular interest in lifestyle medicine and patient and caregiver quality of life.