# Yagi Toshiyuki

> Yagi Toshiyuki is a seed investor backing Energy and Outsourcing. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 1
- Last investment: Jan 2021
- Lead investor: 0%
- Last updated: Aug 2026

Yagi Toshiyuki is a seed investor focused on Energy and Outsourcing. Yagi Toshiyuki is the Representative Director of Power Next Inc.

## Contacts

5 contacts available for Yagi Toshiyuki: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/yagi-toshiyuki?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 100% |
| Outsourcing | 1 | 100% |
| Electrical Distribution | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| POWERNEXT | POWERNEXT provides electric power supply & demand management, rate calculation, customer management & environmental value trading services. |  | Seed | Jan 01, 2021 | https://power-next.co.jp |

1 of 1 investments shown.

## Co-investors
- [Innovation Engine](https://shizune.co/investors/profile/innovation-engine) — VC Fund, 1 deal together
- [JAG Energy](https://shizune.co/investors/profile/jag-energy) — VC Fund, 1 deal together
- [Kokusai Kogyo](https://shizune.co/investors/profile/kokusai-kogyo-co-ltd) — VC Fund, 1 deal together
- [Tsuneishi Capital Partners](https://shizune.co/investors/profile/tsuneishi-capital-partners) — VC Fund, 1 deal together

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## Featured in investor lists
- [Energy Angel Investors in Japan](https://shizune.co/investors/energy-angel-investors-japan)

## FAQ

### What does Yagi Toshiyuki invest in?

Yagi Toshiyuki invests primarily in Energy, Outsourcing and Electrical Distribution 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.

### How do I contact Yagi Toshiyuki?

For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Yagi Toshiyuki last invest?

The most recent investment recorded for Yagi Toshiyuki closed in Jan 2021. 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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