Robert Walker (1961 – April 1, 2015) was a Canadian-born American animator who co-directed the Academy Award-nominated Brother Bear with Aaron Blaise. Description above from the Wikipedia article Robert Walker (animator), licensed under CC-BY-SA, full list of contributors on Wikipedia.

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Robert Walker was a Canadian-born American animator and director best known for his work with Disney, specifically co-directing Brother Bear.
He is primarily known for co-directing the 2003 animated feature film Brother Bear, which received an Academy Award nomination.
His notable directorial credit in feature film animation is Brother Bear (2003).