Yasuhiko founded Global Brain after holding senior positions in Citibank N.A. and Fuji Bank (Mizuho Bank).
Leveraging his experience as a founder and overcoming financial crisis in 2000 and 2008, he is a mentor to many entrepreneurs.
Isao joined GB as an expert in IPO. At Japan Securities Dealers Association, he was responsible for listing examinations, introducing book building system and other initiatives.
Jiro is a partner in charge of technologies. He was an early member of Digital Design, an enterprise middleware provider which made an IPO at NASDAQ Japan as its very first listing.
Kazuhiko is a strategist with experience in corporate planning and new business development, having lead and managed various services at Recruit and TSUTAYA Online.
Keisuke built his career in consulting and new business development at Recruit and Boston Consulting Group for clients in the telecom, CPG, and financial institutions.
Nobutake is a partner in charge of investments outside of Japan. Prior to joining GB, he was a technology analyst at Sanwa Bank in Japan and in the US.
Chief Financial Officer
Ayu is an expert in tax accounting. Prior to joining GB, she managed the back office for a tax accounting firm supporting client auditing,incorporating and many other functions.
Chigusa is responsible for managing and consulting GB’s portfolio companies in their HR and general administration workflow. Prior to joining GB, Chigusa spent her career in tax accounting, resort hotel management and general business administration.
Chika works closely with our portfolio companies and assist them with accounting, public relations and alliance with large companies. She built her career in fund management, new business development, and open innovation at a railway company.
Daisuke has an experience of running his own startup. He had engaged in securities, e-commerces, web promotions and other system development projects.
Fund Management Manager
Harue is responsible for the fund management and administration.
She also advises the portfolio company in HR, general affairs, and accounting matters.
She worked for a life assurance company and a tax accounting firm.
Hidetaka is responsible for aerospace and new technology sector. He joined GB from Dream Incubator where he was an evangelist for the aerospace business, developed strategies and consulted for the clients. Prior to DI, he developed “Kounotori”, Japan’s first automated cargo spacecraft at Mitsubishi Electric and won a number of awards.
Hiroshi manages legal and due diligence across the GB's global operation and also helps portfolio companies with the strategic legal and IP issues. Prior to joining GB, he served as APAC Regional Counsel at a U.S. company and the head of U.S. Legal at a Japanese company.
Singapore Office Representative
Hisashi is responsible for operations in the APAC (Southeast Asia, India, and Oceania) region. Prior to joining GB, Hisashi was responsible for producing some of Japan’s major hit contents such as Final Fantasy and EXILE. He was a founder of Square (formerly Square Enix), LDH and served as a senior executive at Rakuten.
Korea Office Representative
Hong is Venture Partner and is responsible for the investment in Korea. Prior to joining GB, Hong was a Head of Growth Strategy Part at Daum Kakao. He also served as an Entrepreneur and CSO of a Startup. He also built his career at Skylake Investment and focused IT Sector Investment.
Chief Fund Management Officer
Jun built his career in business development, investment and corporate planning at Rakuten and Recruit. He was also responsible for VC fund management as a director of Recruit Strategic Partners- Recruit's CVC.
Kim launched his own startup in Korea, and expanded its business into Japan and China last 6years. He has broad experiences of business developments globally, and speak both Korean and Japanese fluently.
He is in charge of investments in Korean startups from KDDI Open Innovation Fund.
Kaori administers our office and supports our portfolio companies in accounting. Previously she managed promotions and events at an association which provides course and certification program.
Keiko works closely with our portfolio companies and assist them with HR, accounting and other administrative works. Prior to joining GB, she worked for a tax accounting firm and a venture company.
Keiko is an accounting expert. Prior to joining GB, she worked for an accounting firm where she advised her clients on monthly financial closing and analysis. At Daiwa Securities Group, she was advising individuals and businesses on asset management.
Kenta built his career in Sanyo Electric, and L'Oreal as a researcher. He has a Ph.D in the material science and physical chemistry, and brings expertise in consumer products.
Naoki is responsible for AI, Big Data and Cloud Tech areas. Prior to joining GB, he worked for Sony as a software engineer specialised in AI and Big Data technologies. For the last 2 years in his Sony career, he worked in San Francisco as a software engineering manager of PlayStation Network.
Fund Management Manager
Noriko is responsible for the fund management and administration. She also advises the portfolio company in HR, general affairs, and accounting matters. She has experience in managing the back office both in a public company and a venture company.
Sayaka is responsible for GB’s general administration and accounting. Prior to joining GB, Sayaka was a receptionist at an esthetic salon.
Partner in charge of Ad Technology
Takashi joined GB as an expert in B2C online sales/marketing and promotions. He built his career in Amazon, Microsoft and TripAdvisor, and currently works with portfolio companies on advertising/promotion strategies.
Takashi is an APAC regional manager. Prior to joining GB, Takashi spent his career in establishing joint ventures and new projects, as well as managing energy business in APAC and Middle East / Africa region at Sony Electronics Asia Pacific based in Singapore.
Partner in charge of Corporate Development
Tasuke brings financial expertise from his work at Ernst & Young ShinNihon LLC. Experienced in auditing, financial due diligence and IPO preparation.
Tomoaki built his career in new business development and corporate development including venture investment and M&A at Recruit Holdings.
Yusuke built his career as UI/UX engineer and management consulting at Sony and Bain and Company for financial institution, conglomerate and CPG.
Silicon Valley Office Representative
Venture Partner and the US Representative
Zak is responsible for the US operations based in Silicon Valley.
He is a 19-year Sony veteran bringing expertise in the consumer products and services space.