Board of Directors
| President | Junichi KODAMA | Hokkaido University |
| Vice President | Akira SATO | Kumamoto University |
| Secretary General | Akihisa KIZAKI | Akita University |
| Executive Director | Kazuo NAKAMURA | Kansai Electric Power Corporation |
| Executive Director | Yasuhiro MITANI | Kyusyu University |
| Executive Director | Youqing CHEN | Kyoto University |
| Executive Director | Masaru NAKAMURA | Kitami Institute of Technology |
| Executive Director | Shinichiro NAKASHIMA | Yamaguchi University |
| Executive Director | Weiren LIN | Kyoto University |
| Executive Director | Naoki KINOSHITA | Ehime University |
| Executive Director | Masataka SAWADA | Central Research Institute of Electric Power Industry |
| Executive Director | Koji OGAWA | OYO Corperation |
| Director | Hideo KINASHI | Obayashi Corporation |
| Director | Yutaka SUGITA | Japan Atomic Energy Agency |
| Director | Atsushi YOKOO | Kajima Corporation |
| Director | Atsushi YOKOO | Kajima Corporation |
| Director | Keisuke SAHARA | Japan Railway Construction, Transport and Technology Agency |
| Director | Yuji SOMATSU | Limestone Association of Japan |
Successive Executives
| President | Vice President | Secretary General | Tenure |
| Tatsuo MIZUKOSH | Toshio FUJII | Ryuichi IIDA | 1979.08 – 1982.03 |
| Yoshio HIRAMATSU | Ryuichi IIDA | Yuichi NSHIMATSU | 1982.04 – 1985.03 |
| Kohichi AKAI | Masao HAYASHI | Yuichi NSHIMATSU | 1985.04 – 1987.03 |
| Toshio FUJII | Yuichi NSHIMATSU | Kazuo SHINDOH | 1987.04 – 1989.03 |
| Yuichi NSHIMATSU | Shunsuke SAKURAI | Kohichi SASSA | 1989.04 – 1991.03 |
| Toshikazu KAWAMOTO | Ryunoshin Yoshinaka | Kohkichi KIKUCHI | 1991.04 – 1993.03 |
| Ryuichi IIDA | Kiyoshi KISHI | Toshinori MIZUTANI | 1993.04 – 1995.03 |
| Kohichi SASSA | Takeshi USAMI | Michio KURIYAGAWA | 1995.04 – 1997.03 |
| Kohkichi KIKUCHI | Satoshi HIBINO | Yuzo OHNISHI | 1997.04 – 1999.03 |
| Kiyoshi KISHI | Toshinori MIZUTANI | Hiroaki TAKATSU | 1999.04 – 2001.03 |
| Katsuhiko SUGAWARA | Jiro YAMATOMI | Katsuhiko KANEKO | 2001.04 – 2003.03 |
| Yuzo OHNISHI | Soichi TANAKA | Harushige KUSUMI | 2003.04 – 2005.03 |
| Koichi NISHI | Toshihiro ASAKURA | Koichi SHIN | 2005.04 – 2007.03 |
| Jiro YAMATOMI | Katsuhiko KANEKO | Katsunori FUKUI | 2007.04 – 2009.03 |
| Soichi TANAKA | Harushige KUSUMI | Akio FUNATO | 2009.04 – 2011.03 |
| Norikazu SHIMIZU | Koichi SHIN | Kiyoshi KISHIDA | 2011.04 – 2013.03 |
| Yuzo OBARA | Katsunori FUKUI | Kiyotoshi SAKAGUCHI | 2013.04 – 2015.03 |
| Takashi KYOYA | Tomoyuki AOKI | Masahiko OSADA | 2015.04 – 2017.03 |
| Koichi SHIN | Kiyoshi KISHIDA | Tetsuji OKADA | 2017.04 – 2019.03 |
| Takatoshi ITO | Kiyotoshi SAKAGUCHI | Akira SATO | 2019.04 – 2021.03 |
| Tetsuo OKUNO | Yasuhiro MITANI | Hideaki YASUHARA | 2021.04 – 2023.03 |
| Kiyoshi KISHIDA | Tetsuji OKADA | Kazuhiko MASUMOTO | 2023.04 – 2025.03 |