Seong Ran Jeon, M.D., Ph.D. is Associate Professor at the Digestive Disease Center, Institute for Digestive Research, Soonchunhyang University College of Medicine, Seoul, Korea. Main research interests include: (1) colon and small bowel disease, (2) capsule endoscopy and device-assisted enteroscopy, (3) therapeutic endoscopy (LGI), and (4) fecal microbiota transplantation.