Wayne Joubert is a computational scientist in the Scientific Computing Group at Oak Ridge National Laboratory. He specializes in the development, deployment, and optimization of mathematical algorithms and software for leadership-class high performance computing systems. He participated in the ORNL Titan system CAAR application readiness effort, in which he developed the GPU-enabled Sn sweep component of the Denovo radiation transport code. He currently participates in application and library readiness efforts for the upcoming 200-petaflop ORNL Summit system. He has previously participated in multiple computational science efforts, including the R&D 100 award-winning FALCON Reservoir Simulation Project and the Gordon Bell award finalist project, "The In-Silico Lab-On-A-Chip: Petascale And High-Throughput Simulations Of Microfluidics At Cell Resolution."