# Hideyuki Tsukuda

> Hideyuki Tsukuda is a seed investor at SoftBank backing Publishing and Social News. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [SoftBank](https://shizune.co/investors/profile/softbank)
- Total investments: 1
- Last investment: May 2018
- Lead investor: 0%
- Last updated: Aug 2026

Hideyuki Tsukuda is a seed investor at SoftBank focused on Publishing and Social News. Hideyuki Tsukuda - Senior Vice President & CTO @ SoftBank

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Publishing | 1 | 100% |
| Social News | 1 | 100% |
| Social Media | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| PoliPoli | PoliPoli is a next-generation politics co-creation platform where you can participate like a game. Politicians from all over Japan post their policies in an easy-to-understand manner, and those who sympathize can enjoy working on the "missions" necessary to realize the policies. | $1.2M | Seed | May 21, 2018 |  |

1 of 1 investments shown.

## Co-investors
- [F Ventures](https://shizune.co/investors/profile/f-ventures-e328) — VC Fund, 1 deal together

## About SoftBank

VC Fund · Tokyo, Japan

SoftBank provides fixed-line, mobile telephony, internet telecommunications, and digital television products. It is a multinational telecommunications and internet corporation focused on broadband, fixed-line telecommunications, e-commerce, the internet, technology services, finance, media and marketing, and other businesses. The company operatesthrough four segments.The mobile communications segment provides mobile communications services, produces and distributes online games for smartphones and other devices, offers mobile broadband services, provides supply chain solutions, handset protection, and insurance, buy-back and trade-in services, omnichannel solutions, and financial services, and sells mobile devices such as iPhones, iPads, and SoftBank smartphones. The Sprint segment offers mobile and fixed-line voice and data transmission services for individual consumers, businesses, government subscribers, and resellers in Puerto Rico and the U.S. and sells mobile devices and accessories. The fixed-line telecommunications segment offers telecom services such as fixed-line telephone and data communications services to corporate customers and broadband services to individual customers. The internet segment is engaged in the operation of the Yahoo! Japan portal, the sale of internet advertising, the operation of e-commerce sites, the provision of membership services, the sale and marketing of data centers, the provision of online automobile-related information, and the operation of the internet affiliate system.SoftBank also generates and sells electricity from renewable energy sources; provides payment processing, invoice collections, and computation services for businesses; distributes video, voice, and data content via media; operates the IT information site ITmedia; provides solutions and services for online businesses; and operates online games and software downloads. Additionally, it is involved in the ownership of professional baseball teams, the operation of baseball games, the management and maintenance of baseball stadiums and other sports facilities, and the procurement of funds by issuing preferred securities.

5 contacts available at SoftBank.

| Name | Title | Profile |
| --- | --- | --- |
| Andrew Kovacs | Global Head of Communications | https://shizune.co/investors/profile/andrew-kovacs |
| Gary Ginsberg | Global Head of Communications | https://shizune.co/investors/profile/gary-ginsberg |
| Makizono Keiichi | Executive Officer & CIO | https://shizune.co/investors/profile/makizono-keiichi |
| Akshay Naheta | Managing Director | https://shizune.co/investors/profile/akshay-naheta |
| Eric Gan | Executive Vice President | https://shizune.co/investors/profile/eric-gan |

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## Featured in investor lists
- [Publishing Investors in Japan](https://shizune.co/investors/publishing-investors-japan)
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## FAQ

### What does Hideyuki Tsukuda invest in?

Hideyuki Tsukuda invests primarily in Publishing, Social News and Social Media 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.

### When did Hideyuki Tsukuda last invest?

The most recent investment recorded for Hideyuki Tsukuda closed in May 2018. 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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