Hiroshima University Hospital Japan "Graduate of Hiroshima University School of Medicine in 1984 1984: 1st Dept of Internal Medicine, Hiroshima University School of Medicine, Research fellow 1991: National Cancer Center Hospital (Tokyo), Clinical Resident 1993: 1st Dept of Internal Medicine, Hiroshima University School of Medicine, Research Associate 1998: Associate Professor, Dept of Endoscopy, Hiroshima University Hospital 2000: Director, Dept of Endoscopy, Hiroshima University Hospital 2007: Professor, Dept of Endoscopy, Hiroshima University Hospital & Endoscopy and Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University 2019: Vice-president of Hiroshima University Hospital Vice-president of the Japan Gastroenterological Endoscopy Society (JGES) Executive councilor of the Japanese Society of Gastroenterology (JSGE) Executive of the Japanese Society for Cancer of the Colon and Rectum (JSCCR) Director of the Japan Society of Coloproctology (JSCP) Executive Director of the Japan Society of Colon Examination (JSCE) President of the Japanese Association for Capsule Endoscopy (JACE) Fellow of the American Society for Gastrointestinal Endoscopy (ASGE) Fellow of the Japan Gastroenterological Endoscopy Society (FJGES)