He was the first president of Compaq. He graduated from Kwansei Gakuin University. Graduated from the University of California MBA. After working for IBM in the United States, he became president of Compaq Japan. He is currently involved as an angel investor in the establishment of more than 10 venture companies in Japan and overseas, and serves as a part-time director and advisor.

Former President and Representative Director of Google Japan Inc. After graduating from Keio University with a Bachelor of Engineering, he joined Sony Corporation, where he was responsible for VAIO, digital TV, home video, personal audio, and other businesses, and served as President of the company. After resigning from Sony, joined Google Japan as Representative Director. Currently, he is using his experience to launch new businesses, write articles, etc.

Professor Emeritus at Waseda University/Director of the Japan Venture Society. He passed the 2nd Certified Public Accountant Examination in 1966, joined Sanwa Jimusho (Currently audited by Tohmatsu) in 1973, and engaged in consulting for medium-sized venture companies as an employee (Partners). He retired early in 2012 and became an honorary professor. He is currently chairman of the board of directors of WelIInvestment Corporation and vice chairman of the New Business Council of Japan.

Former president of Apple Computer Japan Inc. He graduated from Kobe University, Faculty of Engineering. After serving as an executive officer at IBM Japan and Oracle Japan, he became the president of Apple Computer in 2004 where he was responsible for launching the iPhone in the Japanese market and launching the iPod business. Currently, he is engaged in management consulting and venture investment.

Soccer player / Founder, CEO of Nowdo Inc. and KSK Angel Fund / GP at Dreamers Fund / Head coach of Cambodian National team
I started actively angel investing from KSK Angel Fund in 2016, favoring startups in the fast-growing sectors worldwide, especially in Japan and US.