Graduated from Hitotsubashi University, joined KDD (now KDDI). From 1995 moved to KDD Germany leading the new business development. In September 2000 joined Level 3 Communications Germany to drive business development for Japanese companies in Germany. In April 2001, came back to Japan and joined Cisco Systems (Cisco) as a product manager for high-end routers. From January 2006, worked at Vodafone, and then Softbank Mobile to establish MVNO business in Japan. After that returned to Cisco to be responsible for Service Provider Marketing, and now lead Commercial and Partner Marketing team since 2014.