BA in Economics TOKYO University in 1975, joined NTT Public Corporation (privatized in 1985 to become NTT).Experienced several jobs such as MITI (Ministry of International Trade and Industry) staff in charge of Japanese Middle East Economic policy (1979-1982) and the chief executive position of NTT America in order to establish
NTT global Telecommunication Business in the U.S (1996-2003) beside authentic NTT carriers.
In 2004, promoted to the board member of NTT East (divided from NTT (holding) in 1999.) assigned to General Manager of KANAGAWA branch to sell optical fiber broadband service 'B Flet's', to maintain the reliability of NTT telecommunication Service and join regional activities.