- Alessio Allegrini – Horn and Conductor (General Management)
- Aoi Trio – Piano Trio (Europe and other countries, except Japan)
- Matthias Bamert – Conductor (General Management)
- Kolja Blacher – Violin (Switzerland)
- Ian Bostridge – Tenor (Switzerland)
- Konstantin Lifschitz – Piano and Conductor (Switzerland and other countries)
- Pascal Rogé – Piano (Switzerland)
- Jean-Louis Steuerman – Piano (Switzerland and other countries)
Special Projects
- Human Rights Orchestra, Musicians For Human Rights
- World Peace Concert in Rome 2022, Balkan Chamber Orchestra, Toshio Yanagisawa (Conductor)
- World Peace Concert in Vienna 2017, Balkan Chamber Orchestra, Toshio Yanagisawa (Conductor)
- World Peace Concert in Geneva 2016, Balkan Chamber Orchestra, Toshio Yanagisawa (Conductor)