Rio Yokota is an Associate Professor at the Global Scientific Information and Computing Center at Tokyo Institute of Technology. Dr. Yokota’s research interests include developing scalable hierarchical algorithms for scientific computing. Dr. Yokota is the main developer fo the exaFMM code, and is a co-developer of the HiCMA code. Dr. Yokota is a recipient of the ACM Gordon Bell prize (price performance) in 2009. His most recent research interests are at the intersection of high performance computing and deep learning. Dr. Yokota is currently leading a team that is training ResNet-50 on ImageNet-1k on 4000+ GPUs on the ABCI supercomputer in Japan.