After working at several companies, joined IIJ in June 1999. He was seconded to Crosswave Communications and engaged in wide area LAN service planning and data center construction. After returning to his post in June 2004, he mainly directed the construction and operation of support departments and service facilities. At the same time, he was in charge of IIJ's data center business, building container-type data centers and data centers that achieved efficient power consumption. In April 2021, he concurrently served as IIJ Engineering Representative Director and President, to this day.