（As of May, 2022）
Shinji Tanaka
Professor & Director, Dept. of Endoscopy, Hiroshima Univ. Hospital / Professor, Endoscopy & Medicine, Graduate School of Biomedical & Health Sciences, Hiroshima Univ.
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
Kazuo Inui
Medical consultant, Dept. of Gastroenterology, Yamashita Hospital
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, Center for Diagnostic and Therapeutic Endoscopy, Keio Univ. School of Medicine
Takashi Kawai
Professor & Director, Dept. of Gastrointestinal Endoscopy, Endoscopy Center, Tokyo Medical Univ. Hospital
Akiko Shiotani
Professor, Dept. of Gastroenterology & Hepatology, Kawasaki Medical Schoo
Kiyohito Tanaka
Chief Information Officer (CIO) & Deputy of Hospital President, Dept. of Internal Medicine, Division of Gastroenterology, 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
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
Yuko Kitagawa
Professor and Chairman, Dept. of Surgery, Keio Univ.
Hiromu Kutsumi
Vice Trustee for Clinical Research, Director & Professor, Center for Clinical Research and Advanced Medicine Shiga Univ. of Medical Science / Professor, Medical Research Support Center, Univ. of Fukui Hospital
