An American filmmaker known for his work in animation, he began his career at Pixar Animation Studios. He contributed as a storyboard artist on acclaimed films such as "The Incredibles" and "Ratatouille." Rising through the ranks, he co-wrote the screenplay for "Inside Out," earning an Academy Award nomination. He made his directorial debut with "Toy Story 4," which won the Academy Award for Best Animated Feature. His work is celebrated for its emotional depth and innovative storytelling.