Josef works to improve human experience through the development of hardware and software to enable new human computer interactions, such as virtual and augmented reality. Lately, his research has begun to focus on esports. Previously, Josef worked on the “RT Core” ray tracing hardware in the Turing GPU architecture. Prior to his work at NVIDIA, Josef was a visiting professor at Harvey Mudd. He earned his PhD in Computing at the University of Utah, and his BS at UC Riverside.