After working for a major heavy industry manufacturer and consulting company, he joined Cyber Agent in 2004. As a person in charge of finance and accounting, engaged in operations such as settlement, disclosure, and taxation, contributed to the company's growth by changing the market to the first section of the Tokyo Stock Exchange, large-scale fundraising, and engaging in many special projects.
After leaving the company, he assumed office as an outside director in March 2019.

Joined CyberAgent, Inc. in 2004 and engaged in launching new services such as Ameba Pigg, AWA and AbemaTV. Joined Mercari, Inc. and was responsible for the development of US version of mercari. Appointed as Executive Officer CTO in April 2017.

In 1996, participated in the establishment of venture capital business of GLOBIS Co., Ltd.
In 1999, he established Apax Globis Partners as a joint venture with Apax Group. To the present. The cumulative total investment is 66.0 billion yen. Main track records include user base, Oisix, Glee, Works Applications, Net Age Group, etc. Before participating in GLOBIS, engaged in management strategy consulting at Sanwa Research Institute.
Since July 2015, he has served as chairman of the Japan Venture Capital Association. Graduated from Keio University Law School and MBA from University of Pittsburgh. His books include "Private Equity for Institutional Investors" (Kinzai), "Entrepreneurial Strategies Learned by Cases" (Nikkei Business Publications), "MBA Business Plan" (Diamond), and "entrepreneurs talked to by venture capitalists" "Proposal" (Tax Study Group).

Joined CyberAgent, Inc. in 2003, assigned to advertising agency department. After moving to United States of America in 2007, established CyberAgent America, Inc. and took office as representative the next year. Afterwards, contributed in venture capital investments as Senior Vice President of CyberAgent Capital. In 2013, was inaugrated as a partner of WiL. Currently invests on SaaS business such as HR tech, Legal tech, and Real Estate tech.

Graduated from the University of Tokyo School of Medicine in 1989. Obtained a doctorate in medicine in 1997. After working as a hospital resident at the University of Tokyo Hospital, Researcher at Endocrinology, Massachusetts General Hospital, Associate Professor at Harvard University School of Medicine, Assistant Professor at the Center for Disease Biotechnology, the University of Tokyo Graduate School of Medicine. Specializes in osteochondral biology, regenerative medicine, and biomaterial engineering. Based on the belief that “medicine is practical,” we hope to help patients by developing something that contributes to the treatment of diseases using engineering methods. Born from a physician. Research and education projects related to medical / engineering / pharmaceutical / physical collaboration are promoted from a leadership position, and are actively engaged in industry-academia collaboration, regulatory compliance, and standardization / standardization. There are also unique results such as custom-made artificial bones using 3D printers.