Dr. Kerry O’Brien is currently the Medical Director of the Blood Bank at Beth Israel Deaconess Medical Center in Boston, MA. She also serves as Assistant Professor of Pathology at Harvard Medical School. After growing up in Massachusetts, Dr. O’Brien graduated from Boston University School of Medicine in 2002 and completed residency in Anatomic and Clinical Pathology at Madigan Army Medical Center in Tacoma, WA in 2007. She then served as an attending pathologist at that same hospital for 4 years. She completed her Transfusion Medicine fellowship at Puget Sound Blood Center in Seattle (which is now known as Bloodworks Northwest) in 2012 after leaving the military. Dr. O’Brien has been at Beth Israel Deaconess Medical Center since 2012, where in addition to her duties as a Blood Banker, she has been the Clinical Pathology Residency Director since February 2016 and the Blood Banking/Transfusion Medicine Fellowship Program Director since 2019.