| Chair | Yoshihito Tanaka | University of Hyogo |
| Vice-Chair (SPring-8) | Yoshiyuki Kubota | Osaka Metropolitan University |
| Vice-Chair (SACLA) | Hitoki Yoneda | The University of Electro-Communications |
| Vice-Chair (NanoTerasu) | Wataru Yashiro | Tohoku University |
| Vice-Chair (Industrial Use) | Noritake Isomura | Toyota Central R&D Labs., Inc. |
| General Affairs Secretary | Masaichiro Mizumaki | Kumamoto University |
| PR & External Affairs Secretary | Manako Tanaka | Tokyo University of the Arts |
| Facility Use Secretary (SPring-8) | Kenji Ishii | QST |
| Facility Use Secretary (SACLA) | Iwao Matsuda | The University of Tokyo |
| Facility Use Secretary (NanoTerasu) | Maiko Nishibori | Tohoku University |
| Event Secretary (Symposium) | Naoka Nagamura | NIMS |
| Event Secretary (Symposium) | Yuki Takayama | Tohoku University |
| Event Secretary (Autumn School) | Ayumi Shiro | QST |
| Event Secretary (Autumn School) | Hiroyuki Asakura | Kindai University |
| Editorial Secretary | Shunsuke Kito | The University of Tokyo |
| Accounting Secretary | Ritsuko Eguchi | University of Hyogo |
| Planning Secretary | Motohiro Suzuki | Kwansei Gakuin University |
| Auditor | Atsushi Takahara | Kyushu University |
| Auditor | Junichiro Mizuki | Kwansei Gakuin University |
| Auditor | Akio Kimura | Hiroshima University |
| Auditor | Eiji Nishibori | University of Tsukuba |
| Auditor | Akihiko Fujiwara | Kwansei Gakuin University |
FY2024
FY2023
FY2022 (Nov)
FY2021