# Tomokaz Saito

> Tomokaz Saito is a angel investor at Mercari (Tokyo) backing Finance and Security. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Mercari](https://shizune.co/investors/profile/mercari)
- Location: Tokyo, Japan
- Total investments: 1
- Last investment: Aug 2019
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tomokaz
- X (Twitter): https://twitter.com/tmczs

Tomokaz Saito is a angel investor at Mercari in Tokyo focused on Finance and Security. Tomokaz Saito - Corporate Legal Manager @ Mercari

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Finance | 1 | 100% |
| Security | 1 | 100% |
| Blockchain | 1 | 100% |
| Web Design | 1 | 100% |
| Cryptocurrency | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Perpetuals.com (Formerly Earlyworks) | Early Works is a Next-generation blockchain technology that realizes high speed, high scalability, and high security. | $9.9M | Angel | Aug 13, 2019 |  |

1 of 1 investments shown.

## Co-investors
- [Bullet Group Japan](https://shizune.co/investors/profile/bullet-group-japan) — VC Fund, 1 deal together

## About Mercari

VC Fund · Tokyo, Japan

Mercari aims to provide a solution by enabling people to easily sell and purchase second-hand items in a mobile marketplace with their smartphones. Japan’s mobile shopping obsession is finally in the US. Mercari, the resale shopping app, is the country’s biggest community-powered shopping fair in the palm of your hands. The intuitive app lets youbuy and sell anything, from anywhere, in seconds from your phone: fashion, electronics, jewelry, console games, new, pre-owned and hand-made items, Mercari delivers. Listing your item is as simple as uploading a photo and adding a few details, with built-in features that help you easily print out shipping labels and quickly drop packages in the mail. Mercari’s sharing community grows larger and makes the world more sustainable every day.

5 contacts available at Mercari.

| Name | Title | Profile |
| --- | --- | --- |
| John Lagerling | Director and CBO | https://shizune.co/investors/profile/john-lagerling |
| Shintaro Yamada | Director / Founder | https://shizune.co/investors/profile/shintaro-yamada |
| Tatsuya Tsuruoka | Principal Software Engineer | https://shizune.co/investors/profile/tatsuya-tsuruoka |
| Tomokaz Saito | Corporate Legal Manager | https://shizune.co/investors/profile/tomokaz-saito |
| Daisaku Harada | Executive Officer of Souzoh Inc. | https://shizune.co/investors/profile/daisaku-harada |

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## FAQ

### What does Tomokaz Saito invest in?

Tomokaz Saito invests primarily in Finance, Security and Blockchain startups, most often at Angel 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.

### When did Tomokaz Saito last invest?

The most recent investment recorded for Tomokaz Saito closed in Aug 2019. Shizune tracks 1 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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