Kee Wook Jung is a Clinical Professor of Gastroenterology at Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. He performed his GI fellow training at Asan Medical Center, Seoul, Korea and Mayo Clinic in Rochester, Minnesota. He serves as vice secretary general of Asian Neurogastroenterology and Motility Association (ANMA), the director of education of Korean Society of Neurogastroenterology and Motility and editorial committee of Journal of Neurogastroenterology and Motility (JNM). His research interest is functional gastrointestinal disorder. He has written numerous articles and book chapters including novel parameters in high-resolution manometry in anorectum and esophagus, behavioral therapy in functional GI disorders, achalasia and eosinophilic esophagitis.