Satoshi Matsuoka is the director of the Riken Center for Computational Science (R-CCS). He is the leader of the TSUBAME series of supercomputers, including TSUBAME2.0 which was the first supercomputer in Japan to exceed Petaflop performance and TSUBAME 3.0 which was number 1 in the world for power efficiency in the Green 500 2017 list. Satoshi has a wealth of experience and knowledge in HPC and is one of the key global players pushing forward exa-scale technologies.