Stuart is a Professor of Biology at California State University San Bernardino. He is a comparative anatomist and paleontologist specialising in the biomechanics and evolution of locomotion. Stuart has written three books and numerous scientific papers and his teaching focus is primarily on comparative vertebrate anatomy and human anatomy.
He has been an anatomical consultant to special effect artists and animators on over 30 feature-length films for such groups as Walt Disney Feature Animation, DreamWorks and Pacific Data Images, Warner Brothers, Rhythm and Hues, SONY Pictures ImageWorks, Pixar, Walt Disney Imagineering, and others. His work in the animation and special effects industries includes Beauty and the Beast and Lion King, Mulan, Tarzan, Dinosaur, Cats and Dogs, Harry Potter, Lilo and Stitch, Scooby Doo I and II, Stuart Little I and II, Brother Bear, Shrek II, Chronicles of Riddick, Madagascar I and II, Chronicles of Narnia, Ratatouille, Kung Fu Panda, and most recently Bolt.