On his website the following can be read:
Who are your greatest influences?
In terms of Rock keyboardists: Keith Emerson, Rick Wakeman, and Patrick Moraz. As for bands: Gentle Giant, YES, Genesis, Pink Floyd, ELP, King Crimson, Jimi Hendrix, Autechre, and Aphex Twin.
My background is in classical piano and composition so really everything I do stems from this foundation.