Answer
Ratatouille is a collaboration between Michael Giacchino and Brad Bird. Giacchino composed the film's score, while Bird directed the film. The two have collaborated on several other projects, including The Incredibles, Mission: Impossible – Ghost Protocol, and Tomorrowland. Giacchino's scores are known for their sweeping melodies and lush orchestrations, while Bird's films are known for their humor, heart, and action-packed sequences.