Question: What is the main occupation of Hiroshi Sakaguchi, founder of Ki Arts, a traditional Japanese company in Northern California and who features in the 2010 documentary film directed by Tao Ruspoli, based on Martin Heidegger's philosophy?
Sentence (from "Hiroshi Sakaguchi"): Hiroshi Sakaguchi is a Japanese carpenter and the founder of Ki Arts (1985), a traditional Japanese company in Northern California.
Relevant evidence: Yes