Complex sentence: He has worked at Pixar Animation Studios, 20th Century Fox and Blue Sky Studios, and was an animator for Toy Story, A Bug's Life, Toy Story 2, Monsters, Inc., and Finding Nemo.
Split into simpler sentences: He has worked at Pixar Animation Studios, 20th Century Fox and Blue Sky Studios. He was an animator for Toy Story, A Bug's Life, Toy Story 2, Monsters, Inc., and Finding Nemo.