Derek Sun, MD, is an Associate Clinical Professor of Radiology in the Abdominal Imaging subspecialty at the University of California, San Francisco. 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 Long Island Jewish Medical Center. 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. In 2017, Dr. Sun accepted the Associate Fellowship Director position for the Abdominal Imaging and Ultrasound Fellowship at UCSF and in 2020, accepted the Fellowship Director and Director of Clinical Operations positions for Abdominal Imaging and Ultrasound.