（As of May, 2023）
Shinji Tanaka
President, JA Onomichi General Hospital / Professor Emeritus, Hiroshima University
Yoshinori Igarashi
Professor, Division of Gastroenterology and Hepatology, Toho Univ. Omori Medical Center
Ryu Ishihara
Vice director, Dept. of Gastrointestinal Oncology, Osaka International Cancer Institute
Atsushi Irisawa
Professor & Chairman, Dept. of Gastroenterology, Dokkyo Medical Univ. School of Medicine
Toshiharu Ueki
Professor & Chairman, Dept. of Gastroenterology, Fukuoka Univ. Chikushi Hospital
Haruhiko Ogata
Professor & Director, International Univ. of Health and Welfare / Center for Diagnostic and Therapeutic Endoscopy, San-no Hospital / San-no Medical Center
Takashi Kawai
Professor & Director, Dept. of Gastrointestinal Endoscopy, Endoscopy Center, Tokyo Medical Univ. Hospital
Akiko Shiotani
Professor, Dept. of Gastroenterology & Hepatology, Kawasaki Medical School
Kiyohito Tanaka
Deputy of Hospital President, Kyoto Second Red Cross Hospital
Kazuhide Higuchi
Adviser, The Premier Departmental Research of Medicine, Osaka Medical and Pharmaceutical University
Shinsaku Fukuda
President of Hirosaki University
Mitsuhiro Fujishiro
Professor, Dept. of Gastroenterology, Graduate School of Medicine, The University of Tokyo
Takayuki Matsumoto
Professor, Dept. of Internal Medicine, Division of Gastroenterology and Hepatology, Iwate Medical Univ.
Kazunari Murakami
Professor & Chairman, Dept. of Gastroenterology, Oita Univ. Faculty of Medicine
Ichiro Yasuda
Professor, Third Dept. of Internal Medicine, Univ. of Toyama
Hiro-o Yamano
Associate Professor / Director, Dept. of Gastroenterology and Hepatology, Sapporo Medical Univ. School of Medicine / Gastrointestinal Endoscopy Center, Sapporo Medical Univ. Hospital
Hironori Yamamoto
Professor & Chairman, Dept. of Medicine, Jichi Medical Univ.
Shomei Ryozawa
Professor and Chairman, Dept. of Gastroenterology, Saitama Medical University International Medical Center
Hiroyasu Iishi
Director of Endoscopy Center, Itami City Hospital
Hiroyuki Okada
Director, Japanese Red Cross Society Himeji Hospital
Mototsugu Kato
President, Public Interest Foundation Hokkaido Cancer Society
Hiromu Kutsumi
Trustee, Vice-president, Director for Endoscopy Center of Akashi City Hospital / Professor, Medical Research Support Center, Univ. of Fukui Hospital
Haruhiro Inoue
Professor & Chairman, Digestive Diseases Center, Showa Univ. Koto Toyosu Hospital
