Peter Shirley is a Distinguished Research Scientist at NVIDIA. He was formally a co-founder two software companies and a professor at various universities. He received a BS in Physics from Reed College in 1985 and a Ph.D. in Computer Science from University of Illinois in 1991. He is the coauthor of several books on computer graphics and a variety of technical articles. His professional interests include interactive and HDR imaging, computational photography, realistic rendering, statistical computing, visualization, and immersive environments.