Degree in Electronics Engineering, University of Tokyo; PhD, University of Kyushu. Formerly with: J-POWER, a Japan-wide wholesale power company; Electric Power Research Institute (EPRI), USA as Visiting Researcher. Since 2008, Project Professor, Technological Management for Innovation (TMI). Since June 2012, Professor and Co-Chair, Presidential Endowed Chair, Electric Power Network Innovation by Digital Grid, University of Tokyo. Developed the digital grid concept, which represents "power Internet". Representative Director, Digital Grid Consortium. Interests: renewable energy, energy storage and smart grid.