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JDDW -Japan Digestive Disease Week-

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History

JDDW (DDW-Japan before 2006)

As the number of participants from Japan to the DDW in the U.S. began to increase in the mid-1980s, people began to talk about the idea of organizing DDW in Japan.

1989 Keiichi Kawai, the Executive Board Director of the Japanese Society of Gastroenterology (JSGE), carried out an opinion survey on the society members (by generations, facilities and expertise) about the organization of academic meetings (939 responses received, response rate of 5%). The results showed that the primary concern among an overwhelming majority of the respondents was that there were too many meetings to attend in all fields and that to address this issue, many members were in favor of a joint organization of academic meetings, such as a DDW. These findings were reported to the regular meeting of the JSGE board (March 28, 1990).
1990 Based on a DDW plan, a proposal was made in JSGE to set up the DDW Liaison Committee (executive board director in charge: Toshihiko Takeuchi).
1991 Presidents of DDW-Japan’s six Member Societies as well as the presidents of JSH, JSGS and JSDA organized the first DDW Delegates Conference (JSGMS: Kaizo Ariga, JSH: Yasuo Endo, JSGS: Takeshi Ohara, JGES: Takao Sakita, JPS: Toshio Sato, JSGE: Tadayoshi Takemoto, JSDA: Yoshinori Nao, JBA: Toshimichi Nakayama, and JSCP: Kyoichi Hamano). Members elected from each society formed a working group to start detailed discussions. A Congress President meeting in 1993 approved a proposal for organizing DDW-Japan.
1992 At the 4th DDW Delegates Conference on July 10, the organization’s name was revised to “Japan Digestive Disease Joint Convention”, with Takao Sakita inaugurated as president. In addition, the Steering Committee was renamed the Standing Committee, and rules for DDW-Japan’s administration were laid down. Presidents of six societies with plans to host annual conferences in 1993 formed the yearly Steering Committee (JSGE: Yutaka Yoshida, JGES: Rikiya Fujita, JPS: Hideo Harada, JBA: Tadahiro Takada, JSGMS: Susumu Kawamura, and JSCP: Jyoji Utsunomiya).
1993 In September, the 1st DDW-Japan was held in Kobe. (The meetings were held in the spring from 1994 to 1998. Thereafter, they have been held in the fall).
1994
-1996
The 2nd DDW-Japan in 1994 (Kobe) and the 3rd in 1995 (Yokohama) were organized by four societies, namely, JSGE, JGES, JPS and JBA. The 4th DDW-Japan in 1996 (Kobe) was organized by five societies with the addition of JSH.
1997 After the launch of DDW-Japan, the Board of Directors (Chairman: Takao Sakita) and the Standing Committee (Chair: Tadashi Takeuchi) had been in charge of the management of DDW-Japan. On November 21, the director system was abolished, and an executive board system was set up in its place. Saburo Nakazawa was inaugurated as Chairman.

The members of the Executive Board were Saburo Nakazawa (Chairman), Yasuyuki Arakawa, Jyo Ariyama, Saburo Oshiba, Tadashi Takeuchi, Kyuichi Tanikawa, Hirofumi Niwa, Shunji Futagawa, and Toshifumi Yoshio. Auditors were Itaru Ooi and Yukio Nagamachi. New committees were established: Planning Committee (Kyuichi Tanikawa (Organizer), Ariyoshi Iwasaki, Hironaka Kawasaki, Susumu Kodaira, Hiromitsu Saisho, Hiroshi Tanimura, Takeshi Miwa); Financial Committee (Yasuyuki Arakawa (Organizer), Michio Imawari, Jyunichi Iwadare, Yoshiki Ono, Kenichi Katsu, Katsusuke Satake, Rikiya Fujita); and Fund Raising Committee (Jyo Ariyama (Organizer), Yutaka Atomi, Kazutomo Inoue, Noritsugu Umeda, Takahiko Funabiki).
1999 The Planning Committee of Japan Digestive Disease Joint Convention drew up a new management policy to promote more efficient operation of DDW-Japan. After elaborate deliberations at the Executive Board, it was approved that JSGE, JGES and JSH would jointly manage DDW-Japan. Regarding the annual conferences, it was agreed that societies that announce their participation in the conferences would jointly organize the conferences as before.
2001 The Organization of DDW-Japan was launched. It consisted of the Executive Board (Saburo Nakazawa (Chairman), Yasuyuki Arakawa, Kyuichi Tanikawa, Hirofumi Niwa); Auditors (Itaru Ooi, Yukio Nagamachi); General Scope Committee (Kyuichi Tanikawa (Organizer), Eizo Kaneko (Organizer), Yutaka Atomi, Seiyo Ikeda, Mikio Zeniya, Masaharu Tatsuta, Hiroshi Fukui, Katsuko Yamashita); Financial Committee (Yasuyuki Arakawa (Organizer), Michio Imawari, Kenichi Katsu, Kazuyuki Suzuki, Takashi Nakamura); and Annual Meeting (Hirofumi Niwa (Organizer), Hironaka Kawasaki (Organizer), Kei Kashima, Hiromitsu Saisho, Hajime Takikawa, Michio Tanaka, Shigeru Harasawa). The Steering Committee continued to play a central role in organizing the annual meetings as before.
2002 The General Scope Committee took the initiative in drawing up the project plan for the 10th anniversary of DDW-Japan (with Kenji Fujiwara in charge). An international symposium was held to commemorate the 10th anniversary at DDW-Japan 2002 (Yokohama).
2007 DDW-Japan was officially renamed JDDW. The JDDW trademark was registered in January. Yutaka Atomi assumed the post of Chairman.
2009 In accordance with amendments to the regulations, committee names were changed (General Planning Committee to General Affairs Planning Board, Financial Committee to Financial Board, and Annual Meeting to Annual Meeting Board), and Public Relations Board was newly established.

JSGS participated in JDDW for the first time at the 18th JDDW 2010 (Yokohama). It was approved that the official member societies would be JSGE, JGES, JSH and JSGS. It was also decided that the Executive Board would decide the future member societies.
2010 Following on the Executive Board’s decision to approve filing for obtaining the status of a general incorporated association on September 9, 2008, the General Incorporated Association of Japan Digestive Disease Week was established on April 1, 2010. (Chairman of the Board of Directors: Yutaka Atomi; Executive Board: Nobutoshi Ando, Michio Imawari, Michio Kaminishi, Kentaro Sugano, Kenichi Sugihara, Hajime Takikawa, Hisao Tajiri; Auditors: Norio Hayashi and Toshifumi Hibi; Official Members: Shuichi Kaneko, Koichiro Kumai, Hiromitsu Saisho, Iwao Sasaki, Kazuo Shirouzu, Tsutomu Chiba, Sumiko Nagoshi, Tetsuya Mine, Akio Yamaguchi, Osamu Yokosuka, Sumio Watanabe, Mamoru Watanabe).

In accordance with the articles of association and detailed regulations, the titles of the respective boards were changed. The Executive Board was renamed the Board of Directors, with Yutaka Atomi as Chairman. As for the standing boards, the General Affairs Planning Board became the General Affairs Planning Committee [Kentaro Sugano (Chair), Michio Imawari (Vice Chair), Shuichi Kaneko, Hiroyuki Kuwano, Hiromitsu Saisho, Mikio Zeniya, Tsutomu Chiba], Financial Board was changed to the Financial Committee [Hisao Tajiri (Chair), Nobutoshi Ando (Vice Chair), Katsutoshi Obara, Hidemi Goto, Keiko Shiratori, Kazuo Shirouzu, Sumio Watanabe], Annual Conference Board became the Annual Conference Committee [Hajime Takikawa (Chair), Michio Kaminishi (Vice Chair), Iwao Sasaki, Sumiko Nagoshi, Shigeru Harasawa, Akio Yamaguchi, Osamu Yokosuka, Mamoru Watanabe], Public Relations Board was renamed the Public Relations Committee [Kenichi Sugihara (Chair), Koichiro Kumai, Tetsuya Mine, Masakazu Yamamoto, Toshiaki Watanabe]. The COI Committee was also founded as a new standing committee (Hiroshi Fukui (Chair), Fumio Ito, Yutaka Kougo, Mitsuru Sasako, Toshihiro Suga). Moreover, the Committee for Women Physicians and Researchers of Gastroenterology in Japan was established as an extraordinary committee (Hajime Takikawa (Chair), Akiko Shiotani, Keiko Shiratori, Sumiko Nagoshi, Tomoko Hanashi). It was decided that the Steering Committee would continue to play a main role in organizing the annual conferences.
2011 In preparation for the 20th anniversary of JDDW in 2012, the Commemorative Project Committee was established (Yutaka Atomi, Chairman of the Board of Directors; Kentaro Sugano, Chair of the General Affairs Planning Committee; Michio Imawari, Chair of the Editorial Committee; Masato Kusunoki, Toru Shimosegawa, and Ken Haruma, as members; and Toshimitsu Araki, Kazuhiko Inoue, Ikuo Nakamura, and Atsushi Masamune as Editorial Members).
2012 Plans for the 20th anniversary included the 20th Anniversary Lecture and the 20th Anniversary Symposium titled, “Toward global alliance of JDDW,” which was participated by representatives of societies from abroad. A magazine to commemorate the 20th anniversary was also published.

In consideration of the future plans for JDDW, the four official member ocieties established the Future Planning Committee.
2013 Kentaro Sugano assumed the post of the Chairman of the Board of Directors in January.
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