Chris Wyman is a principal research scientist in the NVIDIA real-time rendering research group, where he looks at a variety of problems ranging from lighting, shadowing, global illumination, BRDFs, sampling, filtering, denoising, antialiasing, and how to efficiently build GPU algorithms and data structures to solve these problems. Before NVIDIA, he was an associate professor at the University of Iowa. He has a PhD from the University of Utah and a BS from the University of Minnesota.