- Steven Kruyswijk (@kruithoph) – Musical instruments engineer
- Erwin Blom (@erwblo) – Owner of The Crowds
- Tim Heineke (@timheineke) – Co-founder of Shuffler.fm, previously co-founder of Twones, co-organizer of Bits & Music
- Julian Treasure (@juliantreasure) – Chairman at the Sound Agency, TEDster
- Brian Whitman (@bwhitman) – Co-Founder and CTO at The Echo Nest (“makes Pandora look like a transistor radio“)
- Duncan Stutterheim – Co-founder ID&T
