One of the proudest things for me with this film [The Fourth Phase] is that year after year we put ourselves right out there making it and no one got seriously injured.

While researching the project [The Fourth Phase] I stumbled across this amazing research by a scientist called Dr Gerard Pollack who had done studies on what he called a 'fourth phase' of water.

We're all doing what we love. It's how we express ourselves - operating in a space where you don't know if something is possible or not.

I knew Shin [Biyajima] a little bit early on, but it's funny because where I really met Shin, and where he made a strong impression on me, was in Jackson Hole. I sledded back to a secret zone way deep in the Jackson backcountry to some freeriding. I got out there and followed some snowmobile tracks figuring it's just some snowmobilers.

Experiencing the world through Endless secondhand information isn't enough. If we want authenticity we have to initiate it.

One of the proudest things for me with this film [The Fourth Phase] is that year after year we put ourselves right out there making it and no one got seriously injured.

It's probably the most personal project [The Fourth Phase] I've done, which changed the dynamic a little bit.