Dr. Dennison leads the Network Research Group at NVIDIA. His current research interests include large networks of GPUs, switch micro-architectures, network-on-chip and photonic interconnects. At, NVIDIA, he was the principal investigator for the DesignForward project which was responsible for several GPU shared-memory concepts such as NVSHMEM and NCCL. His team proposed development of a GPU shared memory fabric and developed the first NVSwitch architecture. Prior to NVIDIA, he worked on software systems such as high-performance distributed applications, database scaling for the cloud and software-defined networking. Dr. Dennison holds Ph.D., M.S., and B.S. degrees from the Massachusetts Institute of Technology.