JGA Overview
Name
The Japanese Gastroenterological Association (JGA)
As of March 10, 2025
Executive Planning Division
| CHAIRPERSON OF THE GENERAL AFFAIRS COMMITTEE |
| Toshio URAOKA, M.D., Ph.D. (Professor, Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine） |
| CHAIRPERSON OF THE PUBLIC RELATIONS COMMITTEE |
| Hajime ISOMOTO, M.D., Ph.D. (Professor, Division of Gastroenterology and Nephrology, Department of Multidisciplinary Internal Medicine, Tottori University Faculty of Medicine) |
| CHAIRPERSON OF THE FINANCE COMMITTEE |
| Hiroya TAKEUCHI, M.D., Ph.D. (Professor, Department of Surgery, Hamamatsu University School of Medicine) |
| CHAIRPERSON OF THE RULES COMMITTEE |
| Ryota HOKARI, M.D., Ph.D. (Professor, Department of Internal Medicine, National Defense Medical College) |
| CHAIRPERSON OF THE Insurance COMMITTEE |
| Masayuki WATANABE, M.D., Ph.D. (Director of the Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research) |
| CHAIRPERSON OF THE Personnel Committee |
| Shunji ISHIHARA, M.D., Ph.D. (Professor, Department of Internal Medicine II, Shimane University Faculty of Medicine) |
| CHAIRPERSON OF THE Election Administration Committee |
| Motohiro ESAKI, M.D., Ph.D. (Professor, Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Saga University) |
| CHAIRPERSON OF THE Ethics Committee |
| Satoshi NIMURA, M.D., Ph.D. (Professor, Department of Pathology, Fukuoka University Chikushi Hospital) |
| CHAIRPERSON OF THE Conflict of Interest Committee |
| Yoichi HIASA, M.D., Ph.D. (Professor, Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine) |
Academic Planning Division
| Academic Planning Committee |
| Tadakazu HISAMATSU, M.D., Ph.D. (Professor, Department of Gastroenterology and Hepatology, Kyorin University School of Medicine) |
| CHAIRPERSON OF THE Association Award Screening Committee |
| Hidekazu SUZUKI, M.D., Ph.D. (Professor, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tokai University School of Medicine） |
| DIRECTOR IN CHARGE OF THE Research Grants Committee |
| Takanori KANAI, M.D., Ph.D. (Professor, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine) |
| CHAIRPERSON OF THE Research Grants Committee |
| Takanori GOI M.D., Ph.D. (Professor, Department of Gastroenterological Surgery, University of Fukui) |
| CHAIRPERSON OF THE Guidelines Committee |
| Hiromi KATAOKA, M.D., Ph.D. (Professor, Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences) |
| CHAIRPERSON OF THE GUIDELINES SUBCOMMITTEE (REVISED DIVERTICULOSIS OF COLON (DIVERTICULAR BLEEDING AND DIVERTICULITIS)) |
| Naoyoshi NAGATA, M.D., Ph.D. (Associate Professor, Department of Gastroenterological Endoscopy, Tokyo Medical University) |
| Vice CHAIRPERSON OF THE GUIDELINES SUBCOMMITTEE (REVISED DIVERTICULOSIS OF COLON (DIVERTICULAR BLEEDING AND DIVERTICULITIS)) |
| Chikamasa ICHITA, M.D., Ph.D. (Shonankamakura General Hospital) |
| CHAIRPERSON OF THE GUIDELINES SUBCOMMITTEE (DRUG-INDUCED GASTROINTESTINAL TRACT DISTURBANCE) |
| Takatsugu YAMAMOTO, M.D., Ph.D. (Professor, Department of Internal Medicine, Teikyo University School of Medicine) |
| VICE CHAIRPERSON OF THE GUIDELINES SUBCOMMITTEE (DRUG-INDUCED GASTROINTESTINAL TRACT DISTURBANCE) |
| Junichi IWAMOTO, M.D., Ph.D. (Associate Professor, Department of Gastroenterology, Endoscopy Center, Tokyo Medical University Ibaraki Medical Center) |
| CHAIRPERSON OF THE International Exchange Committee |
| Yutaka SAITO, M.D., Ph.D. (Chief and Director of Gastrointestinal Endoscopy, Endoscopy Division, National Cancer Center Hospital) |
| CHAIRPERSON OF THE Association Journal Committee of Digestion |
| Shiro OKA, M.D., Ph.D. (Professor, Department of Gastroenterology, Hiroshima University Hospital) |
| CHAIRPERSON OF THE Association Journal Committee of JJGA |
| Takayuki MATSUMOTO, M.D., Ph.D. (Professor, Division of Gastroenterology, Department of Internal Medicine, Iwate Medical University) |
| CHAIRPERSON OF THE SPECIALIST SYSTEM COUNCIL COMMITTEE |
| Sachiyo NOMURA, M.D., Ph.D. (Professor, Clinical Pharmaceutical Sciences, Hoshi University) |
| CHAIRPERSON OF THE Curriculum Review Subcommittee |
| Hiroko HOSAKA, M.D., Ph.D. (Hospital Lecturer, Department of Gastroenterology and Hepatology, Gunma University Hospital) |
| CHAIRPERSON OF THE Exam Writing Subcommittee |
| Makoto NAGANUMA, M.D., Ph.D. (Professor, Division of Gastroenterology and Hepatology, Third Department of Internal Medicine, Kansai Medical University) |
| CHAIRPERSON OF THE Exploratory Committee for Small Bowel Transplantation |
| Hiroki IKEUCHI, M.D., Ph.D. (Professor, Department of Inflammatory Bowel Disease Surgery, Hyogo College of Medicine) |
| Vice CHAIRPERSON OF THE Exploratory Committee for Small Bowel Transplantation |
| Hidekazu SUZUKI, M.D., Ph.D. (Professor, Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tokai University School of Medicine) |
| CHAIRPERSON OF THE JGA Strategic Planning Committee |
| Takatsugu YAMAMOTO, M.D., Ph.D. (Professor, Department of Internal Medicine, Teikyo University School of Medicine) |
| CHAIRPERSON OF THE Diversity Implementation Committee |
| Yoshiko NAKAYAMA, M.D., Ph.D. (Professor, Department of Pediatrics, Shinshu University School of Medicine) |
| CHAIRPERSON OF THE Branch Committee |
| Atsushi IRISAWA, M.D., Ph.D. (Professor, Department of Gastroenterology, Dokkyo Medical University) |
| Director in Charge OF THE JGA-led Research Committee |
| Akihito NAGAHARA, M.D., Ph.D. (Professor, Department of Gastroenterology, Juntendo University School of Medicine) |
| CHAIRPERSON OF THE JGA-led Research Committee |
| Kazuhide HIGUCHI M.D., Ph.D. (Emeritus Professor, Special Adviser, Endowed Course of Advanced Medical Development, Osaka Medical and Pharmaceutical University) |
| Chairperson OF THE JGA Steering Committee |
| Takao ITOI, M.D., Ph.D. (Professor and Chair, Department of Gastroenterology and Hepatology, Tokyo Medical University) |
Secretariat
Keiso Shobo Publishing Co., Ltd.
Address:2-1-1 Suido, Bunkyo-ku, Tokyo 112-0005 Japan
Tel: +81-3-5840-6338
Fax: +81-3-3814-6904
Call for Membership Applications
- Doctors and researchers listed as members of gastroenterology-related professional associations
- Applications invited for membership in line with the constitutions of related businesses and groups
Process of Establishment
- April 10, 2004 Founders’ Meeting held, followed by first Board Meeting (establishing the JGA)
- May 29, 2004 First Board of Trustees’ Meeting was held
- January 28-29, 2005 1st Annual Congress of the Japanese Gastroenterological Association was held