It is with great appreciation for Dr. John O’Brien that we announce his retirement. He is retiring after a distinguished career as a Radiologist and General Physician.   

Dr. John O’Brien is a board-certified Radiologist with over three decades of specialized experience in diagnostic imaging. He provided expert radiological services across a range of medical facilities, supported various clinical departments with high-quality diagnostic interpretation. Dr. O’Brien earned his Medical Degree from the University of Ottawa in 1982 and has been a Fellow of the Royal College of Physicians and Surgeons of Canada (RCPSC) in Radiology since 1990. He began his Radiology career at the McKellar Hospital in 1990 and transitioned to TBRHSC when it opened.  Prior to his transition to Radiology, Dr. O’Brien was a General Practitioner at McKellar Hospital.   

His commitment to clinical excellence, with a focus on diagnostic accuracy, patient safety, and timely reporting will be missed as he embarks on a new chapter. 

Dr. O’Brien has always been a fierce patient advocate, and a champion of Diagnostic Imaging.  His wealth of knowledge and willingness to mentor the future diagnostic imaging professionals made him a great educator and an inspiration to those he worked with.   

His colleagues and coworkers will miss his cheerful disposition in the Department.

A celebration of his accomplishments will take place on June 20, 2025 from 2:00 p.m. to 3:30 p.m. in the DI conference room.