Fumiyoshi Shoji received his Ph.D. from Kanazawa University, Japan, in 2000. He joined RIKEN K computer development project from 2006 to 2012 as an R&D scientist/team leader. He is currently a division director at operations and computer technologies division, RIKEN Center for Computational Science which is responsible for operation and enhancement of the K computer and the facilities including substation, chillers, gas turbine power generators, air handlers etc. His current technical interests include operational improvements of large-scale supercomputer such as failure analysis and improvements of energy/cost efficiency. He awarded ACM Gordon Bell prize in 2011.