His research work focuses on understanding human shape, movement and interaction in order to synthesize digital characters. He has published numerous articles in computer graphics and animation conferences and journals, and is a nine-time SIGGRAPH speaker. For several years, he worked in the visual effects and video games industry focused on 3D character tools and algorithms at companies such as Industrial Light and Magic, LucasArts and Rhythm & Hues Studios. He holds film credits in The Incredible Hulk and Alvin and the Chipmunks 2. In addition, he holds video games credits in the Star Wars: The Force Unleashed series.