He started graphics programming on the Sinclair ZX-81, which had 1 kB of RAM and a screen resolution of 64x48 pixels. He received a B.S. in computer science from the University of Reading, in the United Kingdom, in 1994. Since 1999 Simon has found a stable home at NVIDIA, where he develops new rendering techniques and helps application developers take maximum advantage of GPU hardware. He is a frequent presenter at GDC, has written for Amiga Shopper and Wired magazines, and was a section editor for GPU Gems. His research interests include cellular automata, general-purpose computation on GPUs, and analog synthesizers.