John Stone is a Senior Research Programmer in the Theoretical and Computational Biophysics Group at the Beckman Institute for Advanced Science and Technology, and Associate Director of the NVIDIA CUDA Center of Excellence at the University of Illinois. Mr. Stone is the lead developer of VMD, a high performance molecular visualization tool used by researchers all over the world. His research interests include molecular visualization, GPU computing, parallel processing, ray tracing, haptics, and virtual environments. Mr. Stone was awarded as an NVIDIA CUDA Fellow in 2010. Mr. Stone also provides consulting services for projects involving computer graphics, GPU computing, and high performance computing.