# Masaru Sunagawa

> Masaru Sunagawa is a seed investor at Smartround backing Finance and Software. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Smartround](https://shizune.co/investors/profile/smartround)
- Total investments: 7
- Last investment: Jun 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sunagawa/?originalSubdomain=jp

Masaru Sunagawa is a seed investor at Smartround focused on Finance and Software. After joining Mitsubishi Corporation, he studied at Harvard Business School. After graduating, he joined Globespan Capital Partners, an independent United States VC, and worked as a director of investment. He started LocationValue after the company's representative in Japan. Joined Google after selling the company to NTT DOCOMO. He served asDirector of Product Development for Google Maps and General Manager for Android. He left Google in February 2018 and started Smartround Co., Ltd. in May.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $740k–$18M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Finance | 2 | 29% |
| Software | 2 | 29% |
| Artificial Intelligence | 2 | 29% |
| SNS | 1 | 14% |
| Music | 1 | 14% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 43% |
| Angel | 3 | 43% |
| Venture - Series Unknown | 1 | 14% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Flyle | Flyle provides a cloud based platform for product management helping customers to improve productivity & creativity in product development. | $739.7K | Seed | Jun 01, 2021 |  |
| Sustainable Lab | SusLab is a data bank that uses AI technology to support SDG and ESG development goals and investments. |  | Venture - Series Unknown | Aug 13, 2020 |  |
| Paytner | Paytner is providing services to support freelance people's funding. The freelance population in Japan has been shown to continue to increase in many Chosa. While working styles are diversified, they are not able to respond to the development of the working environment, and they will develop their business to change the situation whereproblems such as funding, credit, sexual harassment, and power harassment are accumulated. | $1.2M | Seed | Jul 29, 2020 |  |
| SOUNDRAW | SOUNDRAW is an AI royalty-free music generator for video creators. Users can choose the mood, the genre, and the length they prefer, and the AI will generate songs in seconds. They can then further customize the song to fit their content. | $608.2K | Seed | Jun 17, 2020 |  |
| Paytner | Paytner is providing services to support freelance people's funding. The freelance population in Japan has been shown to continue to increase in many Chosa. While working styles are diversified, they are not able to respond to the development of the working environment, and they will develop their business to change the situation whereproblems such as funding, credit, sexual harassment, and power harassment are accumulated. |  | Angel | Sep 26, 2019 |  |
| Theoria Japan | Theoria Japan is a specialized Q & A service. |  | Angel | Sep 03, 2018 |  |
| Theoria | Theoria is a marketing team that brings together practical knowledge. |  | Angel | Sep 03, 2018 |  |

7 of 7 investments shown.

## Co-investors
- [Incubate Fund](https://shizune.co/investors/profile/incubate-fund) — VC Fund, 2 deals together
- [Deepcore](https://shizune.co/investors/profile/deepcore) — VC Fund, 1 deal together
- [East Ventures](https://shizune.co/investors/profile/east-ventures) — VC Fund, 1 deal together
- [Energy & Environment Investment](https://shizune.co/investors/profile/energy-environment-investment) — VC Fund, 1 deal together
- [ANOBAKA](https://shizune.co/investors/profile/kvp) — VC Fund, 1 deal together
- [LOGLY INVESTMENT](https://shizune.co/investors/profile/logly-investment) — VC Fund, 1 deal together

## About Smartround

VC Fund · Tokyo, Japan

Smartround is a specialized finance management platform for startups and their investors. For start-ups, for entrepreneurs who are not familiar with finance, simply enter the necessary information according to the guide, prepare appropriate financing round, and prepare a function that can simulate and execute a capital increase. Support informationsharing and communication with shareholders even after the capital increase.

2 contacts available at Smartround.

| Name | Title | Profile |
| --- | --- | --- |
| Masaru Sunagawa | Founder and CEO | https://shizune.co/investors/profile/masaru-sunagawa |
| Ali Tomita | COO | https://shizune.co/investors/profile/ali-tomita |

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## FAQ

### What does Masaru Sunagawa invest in?

Masaru Sunagawa invests primarily in Finance, Software and Artificial Intelligence startups, most often at Seed and Angel stage. Most of the 7 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Masaru Sunagawa's check size?

Masaru Sunagawa typically joins rounds of $740k–$18M 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 Masaru Sunagawa participates in.

### When did Masaru Sunagawa last invest?

The most recent investment recorded for Masaru Sunagawa closed in Jun 2021. Shizune tracks 7 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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