Since 1992, he has been involved in the IT industry and worked for major foreign IT companies and start-ups. After these IT careers, he joined Nippon Gas and took the current position with 10 years of CTO experiences. He had various field experiences in banking system, web systems and IoT as well as AI and Blockchain implementation. Also, he contributed to W3C activities. For his present position, he is in charge of all supervision and control roles from legacy development and bot development to AI development, IoT development and Blockchain development in addition to global partnering with EU technology companies including Estonia. As private activities, he participates in media arts through collaboration with contemporary artists and also works as his hobby for electronic engineering with C++ hobby programming and single board computers.