Naturally 7 (US)
- One of the best R&B vocal group in the world!
- Michael Bublé World-tours, Special Guests
- Coldplay Concert, Special Guest
- Duet with Ludacris on Quincy Jones’ album
Ray Chu (TW)
- Taiwan Choral Music Center, Artistic Director
- New Choral Cultural Arts Foundation, Founder
- Choral Conductor
Kwok-tung Fung (HK)
- CASHM, Chairman
- CASA Ambassador of Hong Kong
- Gay Singers, Leader
Deke Sharon (US)
- NBC “The Sing Off”, Producer
- “Pitch Perfect”, Music Director
- Contemporary A Cappella Society, Founder
- The House Jacks, Founder
Kitamura Kaichiro (JP)
- Japan A Cappella Society, Founder
- Jazz Vocal Percussionist
- Vocal Music and Vocal Percussion Educator
Christine Liu (TW)
- Voco Novo, Music Director
- Vocal Asia, Director of International Affairs
- Music Arranger
Leo Tsai (TW)
- Vocal Balance System, Coach
- Record Producer
- Song Writer