Dr. Jang graduated from University of Michigan in 1994 with BSc in Cellular Molecular Biology. He obtained his medical degree from University of Maryland School of Medicine in 1999. He subsequently completed the internal medicine residency training at University of Maryland Hospital. After completing gastroenterology fellowship in 2006, he joined Cleveland Clinic, initially as the fellow of advanced endoscopy, and subsequently as a faculty at the department of gastroenterology to present. He currently serves as the director of therapeutic endoscopy, as well as the associate director of enterprise endoscopy. He holds a title of associate professor of medicine at Case Western Reserve University as well as Cleveland Clinic Lerner College of Medicine.