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
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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.
Mitsubishi UFJ Trust and Banking and Kasanare successfully improved operational efficiency using a generative AI assistant. This article looks into the key drivers, including Kasanare’s technological prowess and the collaboration structure they built.
Global Brain conducted an ESG survey of its portfolio startups. Here is a recap of the survey on the current status and challenges revealed by responses from 134 companies, along with insights on ESG management essential for sustainable growth.
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