Greg has been instrumental in the launch and development of numerous heavy-hitters of animation including Walt Disney Feature Animation, Industrial Light & Magic, Lucasfilm Animation and Digital Domain. His film credits include Academy Award-nominated Harry Potter and the Prisoner of Azkaban , Academy Award-winning Happy Feet and Avatar. He was R&D Supervisor at Lucasfilm Animation and a Creature Supervisor at Industrial Light & Magic. As Professor of Animation at Ulster University, he founded the 3D computer animation program at Ulster University and led its research cluster, Future and Virtual Worlds. He sits on the board of directors of Northern Ireland Screen, is a member of the Visual Effects Society and MIT alumnus.