Social Entrepreneurs Association

Investment decisions for the SEA Social Startup Fund are led by Kunihiro Ogihara, who serves as Representative Director of the association and GP of the fund. He works alongside Representative Director Hitoshi Shindo and Directors Atsushi Matsumoto and Hiroki Komazaki. The broader mentor network — eleven serial founders — supports deal evaluation and portfolio guidance but does not hold formal investment committee authority based on public disclosures.

SEA operates through its own dedicated vehicle, the SEA Social Startup Fund, which makes direct seed-stage equity investments. There is no public indication that the fund commits capital to third-party funds or acts as a limited partner in other venture funds. Its model is built around proprietary direct deal flow sourced through its mentor network and community.

SEA targets seed-stage social startups in Japan. The publicly disclosed sector focus — formalized with the October 2025 fund launch — is disability, welfare and mental health. Prior to that dedicated fund, SEA operated a broader mentorship program for social entrepreneurs without a publicly defined sector boundary.

Deal flow runs through SEA’s mentor bench of eleven named Japanese founders, who collectively hold networks across social enterprise, health-tech, education and community platforms. The association also accepts applications directly through its website for both investment and mentorship. The community events and group mentoring sessions create an additional referral layer.

SEA is a general incorporated association under Japanese law, paired with a GP entity that manages the SEA Social Startup Fund. This dual structure allows it to run a mentorship-and-community nonprofit while deploying for-profit equity capital into early-stage social startups. It is not a registered venture-capital firm in the traditional limited-partner sense.

The association’s core operation — mentorship, community building, and founder support — functions with characteristics of a mission-driven organization, but SEA has not disclosed a separate philanthropic foundation. The ¥300 million fund writes equity checks into for-profit startups, blending impact goals with venture economics under the same organizational umbrella.

SEA has not publicly disclosed a formal co-investment program or syndication policy. Given the small fund size and seed-stage focus, deals are likely led or executed independently, though the mentor network includes individuals with ties to other Japanese venture organizations who may invest alongside on a case-by-case basis.