David Krentz is a paleoartist, character designer and animator specializing in dinosaurs. As an animator for Walt Disney, Krentz has worked on Disney animated feature films such as Fantasia 2000, Disney's Dinosaur, Treasure Planet, and John Carter, as well as productions for other studios such as Escape from Planet Earth. He has also contributed character designs and computer-generated models for films such as the 2013 BBC reboot of Walking With Dinosaurs, including close to 20 ZBrush models. In addition to his work on films, Krentz has contributed his character design expertise to television shows such as the Discovery Channel's four-part nature documentary Dinosaur Revolution and its feature film version, Dinotasia, which was created from unused sequences of the show. Krentz was also the co-director and art director for both of these productions. His 3D modeling of dinosaurs was preceded by his paleoart, in which he has an avocational interest in sculpting of dinosaurs.