*President
Koichi Ito, M.D. (Tokyo, Japan)

*Honorary President
Chang Soon Koh, M.D. (Tokyo, Japan)
The late Takashi Mimura, M.D. (Tokyo, Japan)
The late Yoshio Ban, M.D. (Tokyo, Japan)
Kazuo Shimizu, M.D., F.A.C.S. (Tokyo, Japan)

*Vice-President
Hideaki Ogata, M.D. (Tokyo, Japan)
Hidemitsu Tsutsui, M.D. (Tokyo, Japan)

*Honorary Member
Makoto Katagiri, M.D. (Hiroshima, Japan)
Yasushi Takagi, M.D. (Tokyo, Japan)
Matuso Taniyama, M.D. (Kanagawa, Japan)
Akira Teramoto, M.D. (Tokyo, Japan)
Kunio Toriya, M.D. (Tokyo, Japan)
Gen-ichi Hamana, M.D. (Tokyo, Japan)

General Secretary
Akihiro Kawauchi, M.D. (Tokyo, Japan)

*Inspector
Katushiko Ohkubo, M.D. (Saitama, Japan)

*Executive Committee
Haruki Akasu, M.D. (Tokyo, Japan)
Takumi Abe, M.D. (Tokyo, Japan)
Yoshio Ogawa, M.D. (Tokyo, Japan)
Makoto Kammori, M.D. (Tokyo, Japan)
Wataru Kitagawa, M.D. (Tokyo, Japan)
Toru Takahashi, M.D. (Saitama, Japan)
Kumiko Tsuboi, M.D. (Tokyo, Japan)
Katsuyoshi Tojo, M.D. (Tokyo, Japan)
Saburo Murakami, M.D. (Saitama, Japan)
Akira Yoshida, M.D. (Kanagawa, Japan)
Tetsuro Tamura, M.D.(Niigata, Japan)
Yudo Ishii, M.D. (Tokyo, Japan)

*Advisory Board
Mitsuji Nagahama, M.D. (Tokyo, Japan)