Complex sentence: Tsutakawa spent much of his childhood in Okayama, Japan, returning to Seattle at the age of 16 where he attended Broadway High School before earning a BFA at the University of Washington.
Split into simpler sentences: Tsutakawa spent much of his childhood in Okayama, Japan. He returned to Seattle at the age of 16, where he attended Broadway High School before earning a BFA at the University of Washington.