Complex sentence: Chatfield grew up in the San Diego, California area and attended West Hills High School where he joined the school's theater department and met his future co-workers Rocco Botte and Derrick Acosta.
Split into simpler sentences: Chatfield grew up in the San Diego, California area. Chatfield attended West Hills High School where he joined the school's theater department and met his future co-workers Rocco Botte and Derrick Acosta.