He voiced many animated characters, including Pinocchio and the Three Little Pigs in the Shrek series, and Mr. Weenie in the Open Season franchise. Cameron started his career at DreamWorks Animation writing dialogue and storyboarding for the Shrek franchise, Shark Tale, and Madagascar.
In 2004, Cameron left DreamWorks to join Sony Pictures Animation.
He worked there as a storyboard artist on Surf"s Up, and wrote and directed a short film The ChubbChubbs Save Christmas, a sequel to The ChubbChubbs!. Cameron also voiced Mr.
Weenie in the Open Season franchise and directed Open Season 3. In 2013, he co-directed with Kris Pearn his first theatrical feature film Cloudy with a Chance of Meatballs 2.