2011.10
| Chairman | Tadahiko SAKAMOTO | President, Japan Commission on Large Dams |
| Members | Masahiro KAKUMU | President, Central Research Institute of Electric Power Industry |
| Toshihiko KAWACHI | President, The Japanese Society of Irrigation, Drainage and Rural Engineering | |
| Shigeru KIMURA | Vice Chairman, The Federation of Electric Power Companies of Japan | |
| Kenyu KOMURA | President, Japan Water Agency | |
| Toru KONDO | Ex-President, Japan Society of Civil Engineers | |
| Junji TAKAHASHI | Director-General, National Institute for Rural Engineering | |
| Mitsuyoshi NAKAMURA | Vice Chairman, Japan Federation of Construction Contractors | |
| Kazuhiro NISHIKAWA | Director-General, National Institute for Land and Infrastructure Management | |
| Kazuya Oshima | Chairman, The Japan Civil Engineering Consultants Association | |
| Hirosi YOSHIKOSHI | Advisor, Japan Commission on Large Dams |
| Secretary | Shinkichi FUJIWARA | Managing Director, Japan Commission on Large Dams |
2011.5
| Toshihisa ADACHI | Professor Emeritus, Kyoto University |
| Sadazo AMINO | Ex-President, Japan Commission on Large Dams |
| Shunsuke IKEDA | Professor Emeritus, Tokyo Institute of Technology |
| Taketo UOMOTO | Professor Emeritus, The University of Tokyo |
| Sadao UMEDA | Ex-President, Japan Society of Dam Engineers |
| Yoshio OHNE | Professor, Aichi Institute of Technology |
| Tatsuo OHMACHI | Professor Emeritus, Tokyo Institute of Technology |
| Takashi HASEGAWA | Professor Emeritus, Kyoto University |
| Toshio HIROSE | Ex-President, Japan Commission on Large Dams |
| Koichi FUJINO | President, Japan Electric Power Civil Engineering Association |
| Norihisa MATSUMOTO | Ex-Vice-President, International Commission on Large Dams |
| Masashi MORITA | President, The Japan Institute of Irrigation and Drainage |
