Dr. Sun received his medical degree from Albert Einstein College of Medicine, Bronx, New York, in 2008. In 2009, he completed a one-year internship at the same institution. In 2013, Dr. Sun completed a four-year Diagnostic Radiology residency, serving as chief resident in 2012-2013 at Jacobi Medical Center, Albert Einstein College of Medicine. This was followed by an Abdominal Imaging fellowship at UCSF, completed in 2014. In August 2014, Dr. Sun accepted the Assistant Professor of Clinical Radiology in the Abdominal Imaging section at UCSF.