I don´t really know Dave all that well. He´s mostly an acquaintance through the older people in the snow industry.
He was pro for a while, then got into filming and welding stuff.
He made Subjekt Haakonsen, which I think is one of the best snowboard films ever done.
He lives at a warehouse which holds Nemo design and I´ve spent some serious time there. I spent the 2002-2004 summers there.
I even got to write an intro of sorts for the episode:
Anywho, here´s 30 min with Dave Seone, one original dude: