Started career with NTT (Nippon Telegraph and Telephone) Corporation in 1990. Taking transfer to NTTDATA Corporation, business company of NTT group in 2002.
Successfully conducted the extensive e-scoring and statistical analysis project for first nationwide elementary and junior high school test of 120 million students, leading the educational and digital archive projects for Central government ministries and agencies, such as National Libraries of Japan.
In March 2014, after over two years of negotiations with the Vatican library at the forefront, contracted for the handwriting literature digital archive project. This achievement has been recognized as one of the astonishing digital archiving project for the historical heritages and produced many global reactions. As Executive manager of NTTDATA Corporation, leads sales, system development and active global expansion for the digital archiving business in cooperation with everis.