# Yoshikazu Tanaka

> Yoshikazu Tanaka is a seed investor at Gree backing Apps, Gaming and Sports. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Gree](https://shizune.co/investors/profile/gree)
- Total investments: 3
- Last investment: Apr 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/yoshikazu-tanaka-52584
- X (Twitter): https://twitter.com/tanakayoshikazu
- Website: https://x.com/tanakayoshikazu
- Facebook: https://www.facebook.com/yoshikazutanaka

Yoshikazu Tanaka is a seed investor at Gree focused on Apps and Gaming. Yoshikazu Tanaka founded GREE in December 2004, and serves as the company's founder and chief executive officer. Before founding GREE, he previously worked at So-net Entertainment Corporation and Rakuten, Inc. While at Rakuten, Inc., he started developing SNS GREE in his spare time. This project became GREE.Tanaka earned abachelor's degree in Law from Nihon University in 1999.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.1M–$28M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Apps | 1 | 33% |
| Gaming | 1 | 33% |
| Sports | 1 | 33% |
| Software | 1 | 33% |
| Marketing | 1 | 33% |

7 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| RATEL | Since its establishment in 2018, the company has been operating and broadcasting esports tournaments with the mission of making esports the best entertainment in the universe. We mainly run official tournaments and large-scale tournaments for various titles such as CoD Mobile, CoDBOCW, ApexLegends, VALORANT, and Knives out. We are also developing avoice chat application called “VOLBOX” to solve the issues raised by many esports players. | $1.1M | Seed | Apr 13, 2021 |  |
| Appify Technologies | Appify Technologies operates a no-code development service that enables users to create personal e-commerce applications. | $28.3M | Seed | Oct 12, 2020 |  |
| Appify Technologies | Appify Technologies operates a no-code development service that enables users to create personal e-commerce applications. | $28.3M | Seed | Oct 12, 2020 |  |

3 of 3 investments shown.

## Co-investors
- [East Ventures](https://shizune.co/investors/profile/east-ventures) — VC Fund, 3 deals together
- [ABBALab - Atom to Bit, Bit to Atom](https://shizune.co/investors/profile/abbalab) — VC Fund, 1 deal together
- [F Ventures](https://shizune.co/investors/profile/f-ventures-e328) — VC Fund, 1 deal together
- [GREE Ventures](https://shizune.co/investors/profile/gree-ventures-e73a) — VC Fund, 1 deal together
- [NOW Japan](https://shizune.co/investors/profile/now-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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## Featured in investor lists
- [Gaming Angel Investors in Japan](https://shizune.co/investors/gaming-angel-investors-japan)

## FAQ

### What does Yoshikazu Tanaka invest in?

Yoshikazu Tanaka invests primarily in Apps, Gaming and Sports startups, most often at Seed stage. Most of the 3 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Yoshikazu Tanaka's check size?

Yoshikazu Tanaka typically joins rounds of $1.1M–$28M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Yoshikazu Tanaka participates in.

### When did Yoshikazu Tanaka last invest?

The most recent investment recorded for Yoshikazu Tanaka closed in Apr 2021. Shizune tracks 3 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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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