Dr. Chun is from Vancouver, British Columbia. He attended medical school at the University of British Columbia and completed his residency in diagnostic radiology at University of Western Ontario. Dr. Chun also attended the University of North Carolina at Chapel Hill where he received a fellowship in musculoskeletal imaging.

Dr. Chun is certified by the American Board of Radiology. He is also a member of the Royal College of Physicians and Surgeons of Canada. Dr. Chun joined Valley Radiologists in 2006.