Joined IBM Japan in 1987, and later moved into IBM Research, after acquiring his master degree in EE&CS from MIT in 1995. In 2006, transferred to IBM Watson Research Center. He had served as a Director of IBM Research-Tokyo, CTO of IBM Asia Pacific Region, and VP of R&D in Japan, before becoming CTO of IBM Japan. He became Vice President of IBM Japan in 2023 and joined a member of BoD of IBM Japan in 2024.He is appointed as a member of Semiconductor and Digital Strategy Advisory Panel under the Ministry of Economy, Trade and Industry (METI).