A new administration members of IMSS started April 1st, 2025.
| Institute of Materials Structure Science | Director | FUNAMORI, Nobumasa |
| Deputy Director | AMEMIYA, Kenta | |
| Deputy Director | OTOMO, Toshiya | |
| SR Science Division Ⅰ | Head | AMEMIYA, Kenta |
| SR Science Division Ⅱ | Head | SENDA, Toshiya |
| Neutron Science Division | Head | ITOH, Shin-ichi |
| Muon Science Division | Head | KODA, Akihiro |
| Photon Factory | Head | IGARASHI, Noriyuki |
| Slow Positron Facility | Head | AMEMIYA, Kenta |
| Structural Biology Research Center | Head | SENDA, Toshiya |
| Center for Integrative Quantum Beam Science | Head | AMEMIYA, Kenta |
| Science Innovation Center | Head | FUNAMORI, Nobumasa |
