President
Shigeki Kaji
Secretariat
Kazuhiko Yoshida (Secretary-general), Wakaba Mori, Maho Naito
Standing Committee
Tsunao Ogino, Masato Kobayashi, Haruo Kubozono, Tsutomu Sakamoto, Toshiyuki Sadanobu, Tadaharu Tanomura, Tetsuo Nitta, Ken Machida, Nobuko Yoneda
Board of Councilors
(Hokkaido) Shigehiro Kato, Kan Sasaki
(Tohoku) Naoyuki Ono, Masatoshi Koizumi, Hitoshi Goto
(Kanto) Takane Ito, Fumio Inoue, Zendo Uwano, Yoshio Endo, Yukio Otsu, Toshio Ohori, Naoki Ogoshi, Keisuke Onoe, Taro Kageyama, Shinjiro Kazama, Yasuto Kikuchi, Hideki Kimura, Haruo Kubozono, Shigeru Sakahara, Yuriko Sunakawa, Ken-ichi Takami, Masato Takiura, Tasaku Tsunoda, Hiroshi Nakagawa, Yoshiki Nishimura, Yuji Nishiyama, Nobuko Hasegawa, Tooru Hayasi, Emiko Hayatsu, Junko Hibiya, Naoki Fukui, Kazuto Matsumura, Makoto Minegishi, Ryuichi Washio
(Chubu) Hiroaki Kitano, Megumi Kurebito, Jun-ichi Sakuma, Harumi Sawada, Katsumasa Shimizu, Katsuo Tamaoka, Yoichi Tsuge, Kaoru Horie, Ken Machida, Yukitoshi Yutani
(Kinki) Mayumi Kudo, Takao Gunji, Toshiyuki Sadanobu, Akihiro Sato, Li Shen, Yukinori Takubo, Tadaharu Tanomura, Hisashi Noda, Setsu Fujishiro, Takashi Masuoka, Yo Matsumoto, Ken-ichi Mihara, Masaaki Yamanashi, Kazuhiko Yoshida, Yutaka Yoshida
(Chugoku, Shikoku) Kazuyuki Kiryu, Hiromu Sakai, Seiji Tsuji, Hideki Tsukamoto, Manabu Wada
(Kyushu, Okinawa) Hirofumi Aoki, Ayumi Ueyama, Tadashi Eguchi, Tomoyuki Kubo, Tsutomu Sakamoto
Gengo Kenkyu Editorial Committee
Tooru Hayasi (Editor-in-chief)
Domestic Editors: Ayumi Ueyama, Tomoyuki Kubo, Takeo Kurafuji, Junko Komori, Yukari Tanaka, Yoshiki Nishimura, Yutaka Yoshida, Ryuichi Washio, Timothy J. Vance
International Editors: C.-T. James Huang， Peter Zieme， Satoshi Tomioka， Christine Lamarre， Daming Xu， Bernd Heine， David Lurie， Diane C. Lillo-Martin， Gladys Tang， Kim Joo-Won， Elizabeth Selkirk
Conference Organizing Committee
Hirofumi Aoki, (Chair), Kazuhiro Kawachi, Ryosuke Shibagaki, LinSheng Zhang, Takeru Honma, Yoichi Miyamoto Noriko Onodera, Jun-ichi Sakuma, Kan Sasaki, Syuntaro Tida, Hideki Tsukamoto, Honoré Watanabe
Publicity Committee
Takaaki Suzuki (Chair), Setsuko Arita, Ritsuko Kikusawa, Yu Kuribayashi (Endangered Language Section), Michinao Matsui (Webmaster), Hajime Ono (Webmaster), Koji Suda
Summer Institute Committee
Shigehiro Kato (Chair), Yoichi Miyamoto, Yoshiki Nishimura, Hajime Ono, Jun-ichi Sakuma, Michinori Shimoji
Advisers
Kazuko Inoue, Hiroyuki Umeda, Zendo Uwano, Taro Kageyama, Tetsuya Kunihiro, Masayoshi Shibatani, Teruhiro Hayata, Katsumi Matsumoto
Auditors
Masaru Inoue, Satoshi Kinsui