Complex sentence: Zumbrunnen has had a notable collaboration with the director Spike Jonze, he edited Jonze's early, short films "How They Get There" (1997) and "Amarillo by Morning" (1998).
Split into simpler sentences: Zumbrunnen has had a notable collaboration with the director Spike Jonze. Zumbrunnen edited Jonze's early, short films "How They Get There" (1997) and "Amarillo by Morning" (1998).