*Click on the photo to see the biography of each instructor.
Music Director
Acting director: Hiroshi Isaka (Secretary-general of Kusatsu International Summer Music Academy Office)
Music Advisor
Yoshimatsu
Vocal
Piano
Violin
©Max Dobrovich
Violoncello
Flute
©Taira Tairadate
Oboe
Organ/ Cembalo/ Basso Continuo
Choir
Norichika Iimori
©Shin Yamagishi
Fumiaki Kuriyama
Acting: Takuya Yokoyama
| Class | Assistant Pianist/ Assistant/ Interpreter |
| Kirchschlager class | Yosuke Osada |
| Canino class | Tsutomu Kawahara |
| Hinterhuber class | Yuki Sunamura |
| Spiri class | Asako Hosoki |
| Adam class | Yukie Togashi |
| Mintz class | Yumiko Furuhata, Michiko Oshima |
| Bronzi class | Naoko Asano |
| Schütz class | Atsuko Wada |
| Indermühle class | Mayo Yoshimura, Mana Oguchi, Mayu Wakaki |
| Brizi class | Miho Watanabe |
| Choir class | Mami Sunaga |