Dr. Lee was graduated from department and college of medicine, National Taiwan University in Jun 2000 and became a physician of internal medicine. He finished his fellowship training of gastroenterologist in Jun 2005 and became a visiting staff of E-Da hospital since Jul 2005. He is a clinical-investigator and gastroenterologist and had been appointed as the lecturer of I-Shou University since 2009. His major research exposure and interests include 1) endoscopic diagnosis and treatment of early gastrointestinal neoplasia, 2) screening for esophageal cancer, and 3) endoscopic retrograde cholangiopancreatography (ERCP). He is a member of the Gastroenterological Society of Taiwan (GEST), the Digestive Endoscopy Society of Taiwan (DEST), Taiwan Pancreas Society, and is also an international member of American Society of Gastrointestinal Endoscopy (ASGE).