# Shunsuke Masaki

> Shunsuke Masaki is a seed investor backing Social, E-Commerce and Sustainability. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 1
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/shunsuke-masaki-7a36026a

Shunsuke Masaki is a seed investor focused on Social and E-Commerce. Mr. Masaki joined Mitsui Ventures in May 2008 as Venture Partner, and since has been focused on investments in retail and service sector. Previously, he worked at Fujita Corporation, a large operator of restaurants and retail chain, where he was responsible for store development and merchandising in Tokyo area. After several successfulyears at Fujita, he took a position with Service Business Division of Mitsui & Co., Ltd., in charge of developing new business utilizing the franchise method.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Social | 1 | 100% |
| E-Commerce | 1 | 100% |
| Sustainability | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Gab | Gab is a company that works to solve social problems as well as develops and markets ethical products. | $645.5K | Seed | Jan 27, 2025 |  |

1 of 1 investments shown.

## Co-investors
- [Spurcle](https://shizune.co/investors/profile/sprucle) — VC Fund, 2 deals together
- [G-STARTUP](https://shizune.co/investors/profile/g-startup) — VC Fund, 1 deal together
- [Startup Factory](https://shizune.co/investors/profile/startup-factory-7807) — VC Fund, 1 deal together
- [Taliki](https://shizune.co/investors/profile/taliki) — VC Fund, 1 deal together
- [UNITED](https://shizune.co/investors/profile/united-inc) — VC Fund, 1 deal together

## Similar investors

### Similar industry
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### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
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### Similar country
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund
- [SMBC Venture Capital](https://shizune.co/investors/profile/smbc-venture-capital) — VC Fund
- [Mizuho Capital](https://shizune.co/investors/profile/mizuho-capital) — VC Fund

## Featured in investor lists
- [Social Angel Investors in Asia](https://shizune.co/investors/social-angel-investors-asia)
- [Social Investors in Japan](https://shizune.co/investors/social-investors-japan)
- [Social Angel Investors in Japan](https://shizune.co/investors/social-angel-investors-japan)
- [Climate Angel Investors in Japan](https://shizune.co/investors/climate-angel-investors-japan)
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- [Sustainability Angel Investors in Japan](https://shizune.co/investors/sustainability-angel-investors-japan)

## FAQ

### What does Shunsuke Masaki invest in?

Shunsuke Masaki invests primarily in Social, E-Commerce and Sustainability startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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