GB Xlimit 5th Batch — Applications open

We help startups get ready
to take off on a global scale

Global Brain is an independent venture capital firm that aims to bring new
industries to the society through extensive hands-on support for
startups and open innovation with large corporations.

AUM
$2.7B+
Invested
$1.4B+
Deals
1,300+
Active Portfolio
450+
IPO
42
M&A
89
5th Batch — Applications open

GB Xlimit

An accelerator program by Global Brain for pre-Series A startups. Funding, weekly mentoring from leading capitalists, specialist workshops, and a Demo Day in front of top investors — 16 weeks of deep work, designed to compound.

  • Cohort4–6 companies
  • Duration16 weeks
  • CheckJPY 10M
  • DueJul 21, 2026

News

Press Release

GB Universe

Funds & Projects

We manage flagship funds funded by
institutional
investors and companies,
as well as CVC fund
and co-investment
projects with our partners.

Team

We are a team of globally prominent and
diverse
backgrounds, providing in-depth
support to
our portfolio companies.

Investors
72
Supporters
38
Fund Management
14
Operations
36
  • Rina Obi

    Rina Obi

    Investment Group

    Director

  • Ryo Kiyofuji

    Ryo Kiyofuji

    Investment Group

    Director

  • Hiroki Konno

    Hiroki Konno

    Corporate Management Group

    Director

  • Sho Iizuka

    Sho Iizuka

    Investment Group

    Principal

  • Xin Li

    Xin Li

    Fund Management Group

    Principal

  • Kojiro Tanaka

    Kojiro Tanaka

    Platform Group

    Director

  • Atsushi Ueda

    Atsushi Ueda

    Investment Group

    Director

  • View full team