| Position | Name (Abbreviated) | Facility | Specialty |
|---|---|---|---|
| Caretakers | Masayasu Aikawa | Saitama Medical University International Medical Center | Gastrointestinal Surgery |
| Taku Aoki | Dokkyo Medical University | Hepato-Biliary-Pancreatic Surgery | |
| Takeshi Aoki | Showa University | General and Gastroenterological Surgery | |
| Yuta Abe | Keio University Hospital | General and Gastroenterological Surgery | |
| Junichi Arita | Akita University | Gastroenterological Surgery | |
| Toru Ikegami | The Jikei University school of Medicine | Hepato-Biliary-Pancreatic Surgery | |
| Hisashi Ikoma | Kyoto Prefectural University of Medicine | Digestive Surgery | |
| Takeaki Ishizawa | Osaka Metropolitan University Graduate School | Hepato-Biliary-Pancreatic Surgery | |
| Osamu Itano | International University of Health and Welfare School of Medicine | Hepato-Biliary-Pancreatic & Gastrointestinal Surgery | |
| Hitoshi Inagaki | Inagaki Clinic | Director | |
| Michiaki Unno | Tohoku University Hospital | Hepatobiliary-Pancreatic Surgery | |
| Susumu Eguchi | Nagasaki University Hospital | Transplant and Gastrointestinal Surgery | |
| Hidetoshi Eguchi | Osaka University Hospital | Gastroenterological Surgery | |
| Akihiko Oshita | JA Onomichi General Hospital | Surgery | |
| Yuichiro Otsuka | Toho University | Department of Surgery | |
| Takehito Otsubo | St. Marianna University Hospital | Gastrointestinal and General Surgery | |
| Keiichi Okano | Kagawa University | Gastrointestinal Surgery | |
| Yukiyasu Okamura | Nihon University | Digestive Surgery | |
| Koji Okamoto | Kitakyushu City Yahata Hospital, Gastrointestinal and Liver Disease Center | Surgery | |
| Osamu Kainuma | Funabashi Municipal Medical Center | Surgery | |
| Masaki Kaibori | Kansai Medical University | Gastrointestinal Surgery | |
| Akishige Kanazawa | Osaka City General Hospital | Hepato-Biliary-Pancreatic Surgery | |
| Hironori Kaneko | Toho University | Department of Surgery | |
| Toshiya Kamiyama | Hokkaido University Hospital | Gastroenterological Surgery I | |
| Yota Kawasaki | Kagoshima University | Digestive, Breast, and Thyroid Surgery | |
| Shigeyuki Kawachi | Tokyo Medical University Hachioji Medical Center | Department of Gastrointestinal Surgery and Transplantation Surgery | |
| Masahiro Kido | Kobe University | Hepatobiliary-Pancreatic Surgery | |
| Yusuke Kumamoto | Kitasato University | General, Pediatric, and Hepatobiliary-Pancreatic Surgery | |
| Norihiro Kokudo | National Center for Global Health and Medicine | Chairman | |
| Naoto Gotoda | National Cancer Center Hospital East | Department of Hepatobiliary and Pancreatic Surgery | |
| Hiroyuki Kobayashi | Meitetsu Hospital | Surgery | |
| Koji Komeda | Osaka Medical and Pharmaceutical University | Department of general and Gastroenterological Surgery | |
| Hisamune Sakai | Kurume University Hospital | Department of Surgery | |
| Yumiko Sakamoto | Sagamihara National Hospital | Surgery | |
| Keiji Sano | Teikyo University Hospital | Hepatobiliary-Pancreatic Surgery | |
| Masahiro Shinoda | International University of Health and Welfare Mita Hospital | Digestive Diseases Center | |
| Motohide Shimazu | Tama Kyuryo Hospital | Gastrointestinal Surgery | |
| Mitsuo Shimada | Tokushima University Hospital | Department of Digestive and Pediatric Surgery | |
| Ken Shirabe | Graduate School of Medicine, Gunma University | Hepatobiliary and Pancreatic Surgery | |
| Atsushi Sugioka | Fujita Health University | Hepatobiliary-Pancreatic Surgery | |
| Shuji Suzuki | Tokyo Medical University Ibaraki Medical Center | Gastrointestinal Surgery | |
| Satoru Seo | Kochi University | Hepato-Gastroenterological Surgery | |
| Yuji Soejima | Shinshu University | Department of Surgery | |
| Yasutsugu Takada | Ehime University Hospital | HBP and Transplant Surgery | |
| Mitsuhisa Takatsuki | University of the Ryukyus | Surgery | |
| Yutaka Takeda | Kansai Rosai Hospital | Hepatobiliary-Pancreatic Surgery | |
| Akinobu Taketomi | Hokkaido University Hospital | Gastroenterological Surgery I | |
| Kuniya Tanaka | Showa University Fujigaoka Hospital | Gastrointestinal and General Surgery | |
| Minoru Tanabe | Tokyo Medical and Dental University | Hepatobiliary-Pancreatic Surgery, General Surgery | |
| Nobuhiko Taniai | Nippon Medical School Musashi Kosugi Hospital | Gastrointestinal Surgery | |
| Akihiro Cho | Tokyo Women’s Medical University Yachiyo Medical Center | Gastrointestinal Surgery | |
| Tadashi Tsukamoto | Osaka City Juso Hospital | Surgery | |
| Yoichi Toyama | Ichihara Medical Cure | Director | |
| Sin Nakahira | Oyama Memorial Hospital | Surgery | |
| Masafumi Nakamura | Kyushu University Hospital | Department of Clinical Oncology Surgery | |
| Noriaki Nakamura | Shuuwa General Hospital Digestive Center | Surgery | |
| Hiroaki Nagano | Yamaguchi University | Department of Gastrointestinal and Oncologic Surgery | |
| Atsushi Nanashima | Miyazaki University School of Medicine | Hepatobiliary-Pancreatic Surgery | |
| Hiroyuki Nitta | Iwate Medical University Hospital | Surgery | |
| Kenichi Hakamada | Hirosaki University School of Medicine Hospital | Gastrointestinal Surgery | |
| Kiyoshi Hasegawa | The University of Tokyo Hospital | Hepato-Biliary-Pancreatic Surgery/Artificial Organ Transplant Surgery | |
| Etsuro Hatano | Kyoto University | Hepatobiliary-Pancreatic and Transplant Surgery | |
| Takumi Fukumoto | Kobe University | Hepatobiliary-Pancreatic Surgery | |
| Toru Beppu | Yamaga Citizens Medical Center | Director | |
| Goro Honda | Tokyo Women’s Medical University Hospital – Gastroenterology Center | Gastrointestinal and General Surgery | |
| Yoichi Matsuo | Nagoya City University | Gastrointestinal Surgery | |
| Shigeru Marubashi | Fukushima Medical University | Hepatobiliary-Pancreatic and Transplant Surgery | |
| Toru Mizuguchi | Sapporo Medical University Hospital | Department of Surgery | |
| Shou Mineta | Chiba Tokushukai Hospital | Surgery | |
| Mitsuo Miyazawa | Teikyo University School of medicine University Hospital, Mizonokuchi | Surgery | |
| Zenichi Morise | Fujita Health University | Hepatobiliary-Pancreatic Surgery | |
| Kazuteru Monden | Fukuyama City Hospital | Surgery | |
| Masafumi Yasunaga | Fukuoka Saiseikai Futsukaichi Hospital | Surgery | |
| Youichi Yamashita | Iizuka Hospital | Surgery | |
| Masakazu Yamamoto | Utsunomiya Memorial Hospital | Director | |
| Hideki Yokoo | Asahikawa Medical University | Hepatobiliary-Pancreatic and Transplant Surgery | |
| Naoyuki Yokoyama | Niigata City Hospital | Gastrointestinal Surgery | |
| Hiroshi Yoshida | Nippon Medical School Hospital | Surgery | |
| Tomoharu Yoshizumi | Kyushu University Hospital | Department of Surgery and Science | |
| Sang-Woong Lee | Osaka Medical and Pharmaceutical University | Gastrointestinal and General Surgery | |
| Toshifumi Wakai | Niigata University Medical and Dental Hospital | Gastrointestinal and General Surgery | |
| Go Wakabayashi | Ageo Central General Hospital | Surgery | |
| Manabu Watanabe | Toho University Medical Center Ohashi Hospital | Surgery |
