Professor Hoon Jai Chun is a gastroenterologist and director of the GI Endoscopy Unit at Korea University Anam Hospital in Seoul, Republic of Korea. His main clinical interests are gastrointestinal disease and endoscopy. Prof. Hoon Jai Chun graduated from the College of Medicine Korea University in Seoul and then undertook a fellowship (1992) at the Korea University Hospital, where he subsequently continued his career. He has held various positions there, including as doctor, gastroenterologist, and professor of internal medicine. He has considerable experience in his field and has earned an outstanding international reputation as a medical practitioner and scientist who is at the cutting edge in the development of procedures to diagnose and treat conditions of the GI tract. Hence, a large number of his research projects have been supported by national grants, and he has received several awards for his work in medical research. Prof.

Hoon Jai Chun is current President of the Korean Society of Endoscopic Digestive Endoscopy. He has published numerous frequently cited scientific journal articles and has edited a number of books, including Clinical Gastrointestinal Endoscopy: A Comprehensive Atlas (Springer, 2014; 2nd edition in 2018) and Therapeutic Gastrointestinal Endoscopy (Springer, 2015; 2nd edition due in 2019).