Complex sentence: Most of his career has been associated with the production company, Hypnotic, he has co-owned and operated with Dave Bartis, whom he met as an undergraduate at Brown University where they co-founded BTV and NACB.
Split into simpler sentences: Most of his career has been associated with the production company, Hypnotic. He is co-owner with Dave Bartis, whom he met as an undergraduate at Brown University where they co-founded BTV and NACB.