| Executive Director Tokyo Metropolitan Government 2023.4 – | Hiroaki Matsui (Mr.) |
| Executive Counsellor Ministry of Internal Affairs and Communications 2023.3 – | Masahiro Enso (Mr.) |
| Counsellor Kumamoto City 2023.4 – | Osamu Yoshizumi (Mr.) |
| Senior Researcher | Matthew Gillam (Mr.) |
| Assistant Director Sakai Town 2022.4 – | Mari Takahashi (Ms.) |
| Assistant Director Okayama City 2023.4 – | Mayumi Arimoto (Ms.) |
| Assistant Director Hagi City 2023.4 – | Naoyuki Murata (Mr.) |
| Assistant Director Oita City 2023.4 – | Yasuhiko Mitsunaga (Mr.) |
| Assistant Director Miyagi Prefecture 2024.4 – | Kaishu Akutsu (Mr.) |
| Assistant Director Bizen City 2024.4 – | Ryota Okamoto (Mr.) |
| Assistant Director Hiroshima City 2024.4 – | Nanae Nakagami (Ms.) |
| Assistant Director Kumamoto City 2024.4 – | Kazuki Yono (Mr.) |
| Assistant Director Ministry of Internal Affairs and Communications 2023.4 – | Hirono Saito (Ms.) |