（As of May, 2025）

President

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  Shinji Tanaka

  President, JA Onomichi General Hospital / Professor Emeritus, Hiroshima Univ.

Directors

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  Katsunori Iijima

  Professor, Department of Gastroenterology & Neurology, Akita Univ.

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  Ryu Ishihara

  Vice director, Dept. of Gastrointestinal Oncology, Osaka International Cancer Institute

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  Atsushi Irisawa

  Professor & Chairman, Dept. of Gastroenterology, Dokkyo Medical Univ. School of Medicine

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  Toshiharu Ueki

  Special Adviser, Pancreatic Medicine, Kyushu Central Hospital

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  Kazuo Ohtsuka

  Professor, Endoscopy Unit, Institute of Science Tokyo Hospital

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  Haruhiko Ogata

  Professor & Vice-president, Department of Internal Medicine, Fujita Medical Univ. Tokyo / Medical Innovation Center / Haneda Clinic

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  Akio Katanuma

  Associate Professor, Dept. of Gastroenterology and Hepatology, Sapporo Medical Univ. School of Medicine

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  Takashi Kawai

  Distinguished Professor, Center for Health Surveillance & Preventive Medicine, Tokyo Medical Univ. Hospital

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  Yutaka Saito

  Chief of Endoscopy Division, Director of Endoscopy Center, National Cancer Center Hospital

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  Akiko Shiotani

  Professor, Dept. of Gastroenterology & Hepatology, Kawasaki Medical School

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  Kiyohito Tanaka

  Deputy of Hospital President, Kyoto Second Red Cross Hospital

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  Mitsuhiro Fujishiro

  Professor, Dept. of Gastroenterology, Graduate School of Medicine, The Univ. of Tokyo

• 

  Takayuki Matsumoto

  Professor, Dept. of Internal Medicine, Division of Gastroenterology and Hepatology, Iwate Medical Univ.

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  Kazunari Murakami

  Distinguished Professor, Dept. of Gastroenterology, Oita Univ. / Director of Gastroenterology Center, Oita OKA Hospital

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  Ichiro Yasuda

  Professor, Third Dept. of Internal Medicine, Univ. of Toyama

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  Hiro-o Yamano

  Associate Professor, Department of Gastroenterology and Hepatology, Sapporo Medical Univ. School of Medicine / Professor of Univ. Hospital ＆ Director, Gastrointestinal Endoscopy Center, Sapporo Medical Univ. Hospital

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  Hironori Yamamoto

  Professor & Chairman, Dept. of Medicine, Jichi Medical Univ.

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  Shomei Ryozawa

  Professor and Chairman, Dept. of Gastroenterology, Saitama Medical Univ. International Medical Center

Auditors

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  Nobutsugu Abe

  Professor, Dept. of Gastroenterological and General Surgery, Kyorin Univ. Faculty of Medicine

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  Hiroyuki Imaeda

  Professor, Dep. of Gastroenterology, Saitama Medical Univ.

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  Tetsuji Takayama

  Professor, Dept. of Gastroenterology and Oncology, Tokushima Univ. Graduate School of Biomedical Sciences

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  Junko Fujisaki

  Director, Foundation for Detection of Early Gastric Carcinoma

Advisor

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  Haruhiro Inoue

  Professor & Chairman, Digestive Diseases Center, Showa Medical Univ. Koto Toyosu Hospital