Mitsuhisa Sato is a deputy Director of RIKEN Center for Computational Science since 2018. Since 2010, he is appointed to the research team leader of programming environment research team in Advanced Institute of Computational Science (AICS) renamed to R-CCS, RIKEN. From 2014 to 2020, he was working as a team leader of architecture development team in FLAGSHIP 2020 project to develop Japanese flagship supercomputer. He is a Professor（Cooperative Graduate School Program and Professor Emeritus of University of Tsukuba.