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.
As one of the largest mobile game streaming platforms in Japan, Mirrativ has achieved drastic growth through creating new communities and game experiences. Global Brain truly wishes Mirrativ even greater prosperity through its continuous endeavors such as new businesses based on its “All for Streamers” strategy.
Mirrativ, Inc.
TSE Growth Market
December 18, 2025
Portfolio
News
Powered by the new strategies unveiled at the Global Brain Alliance Forum, Global Brain is moving forward as one unified team to make 2026 another year of transformative growth.
This article outlines the role of PR, examples of measures, and common challenges for each startup phase, also looking into VC firms’ perspectives when evaluating startups and how PR can be leveraged in that process.
This article provides a digest of the Alliance for Market Acceleration in Africa (AMA), an event organized by Global Brain (GB), a Japanese independent venture capital firm, to spotlight the latest on Africa’s markets.
Founders Fund had a chance to sit down with Japanese startups, namely estie, Jij, CADDi, and Kyoto Fusioneering, and shared their purpose of visiting Japan, impression of the Japanese market, and fund strategies.
Funds & Projects
Team
Corporate Management Group
Managing Partner
Investment Group
Partner
Corporate Management Group
Managing Partner
Investment Group
Director
Investment Group
Director
Investment Group
Director
Investment Group
General Partner
Get in touch
Fundraising
We are happy to answer your inquiries about fundraising and business support. We also accept pre-fundraising consultations.
CVC / LP Investment
For inquiries or consultations regarding the establishment of a CVC or LP investments in funds, please contact us here.
Media Coverage
Please contact us here for inquiries about requesting media coverage, participation in an event as a speaker, etc.
General Inquiry
For queries relating to your consultation or general questions, please contact us from this form.
Innovators Lounge
GB Innovators Lounge is a free career consultation service for those who wish to work at a startup.
