# Isaka Tomoyuki

> Isaka Tomoyuki is a seed investor at Gree (Tokyo). See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Gree](https://shizune.co/investors/profile/gree)
- Location: Tokyo, Japan
- Total investments: 1
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tomoyuki-isaka

Isaka Tomoyuki is a seed investor at Gree in Tokyo. Joined Gree in 2007. Became an executive officer after working for advertising, entertainment media, game planners, producers, overseas businesses and CEOs of subsidiaries. Oversees the game business as Deputy General Manager of the Wright Flyer Business Unit.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| WAKA | WAKA is a studio that produces metaverse games and specializes in contract development for domestic businesses. | $1.6M | Seed | May 31, 2026 |  |

1 of 1 investments shown.

## Co-investors
- [F Ventures](https://shizune.co/investors/profile/f-ventures-e328) — VC Fund, 1 deal together
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund, 1 deal together
- [Samurai Incubate](https://shizune.co/investors/profile/samurai-incubate) — VC Fund, 1 deal together
- [Spiral Capital](https://shizune.co/investors/profile/spiral-capital) — VC Fund, 1 deal together
- [UNITED](https://shizune.co/investors/profile/united-inc) — VC Fund, 1 deal together

## About Gree

VC Fund · Tokyo, Japan

Gree is a Japanese internet media company that provides mobile social networking, and mobile technology services for its users. Gree shares development and operational expertise across all its studios as Gree always works to create new game models for its customers.

5 contacts available at Gree.

| Name | Title | Profile |
| --- | --- | --- |
| Aikawa Shintaro | Executive officer | https://shizune.co/investors/profile/aikawa-shintaro |
| Andy Keidel | VP, Engineering | https://shizune.co/investors/profile/andy-keidel |
| Isaka Tomoyuki | Executive officer | https://shizune.co/investors/profile/isaka-tomoyuki |
| Masada Matsuda | Executive officer | https://shizune.co/investors/profile/masada-matsuda |
| Masahiro Seyama | Corporate Auditor | https://shizune.co/investors/profile/masahiro-seyama |

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