​Adam Marrs is a Senior Graphics Engineer in the Game Engines and Core Technology group at NVIDIA. He holds a PhD in computer science, has conducted graphics research in academia and industry, published at HPG, Eurographics, JCGT, and wrote for the GPU Zen 2 and Ray Tracing Gems books. He has shipped graphics code in AAA game titles and commercial game engines.
Peter Shirley is a Distinguished Engineer in the Research group at NVIDIA. He holds a PhD in computer science and has worked in academics, startup companies, and industry. He is the author of several books including the recent Ray Tracing in One Weekend series.
Ingo Wald is a Director, Ray Tracing, at NVIDIA. He holds a PhD in computer science, has a long history of ray tracing related research in both academia and industry, and is probably best known for authoring and co-authoring various papers and open-source software project related to rendering, visualization, data structures, and other topics that in one or another form usually involve ray tracing.