# Kei Tanaka

> Kei Tanaka is a angel investor backing Beauty, Energy and Cosmetics. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 4
- Last investment: Mar 2026
- Lead investor: 0%
- Last updated: Aug 2026

Kei Tanaka is a angel investor focused on Beauty and Energy. Kei Tanaka is the Individual investor/Former Co-Head of Asset Management at Goldman Sachs Securities Co., Ltd.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Beauty | 1 | 25% |
| Energy | 1 | 25% |
| Cosmetics | 1 | 25% |
| Real Estate | 1 | 25% |
| Clean Energy | 1 | 25% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Angel | 1 | 25% |
| Series A | 1 | 25% |
| Series D | 1 | 25% |
| Venture - Series Unknown | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| THE RICH | THE RICH is a hair care brand that contains silk regenerating and repairing ingredients. | $5M | Venture - Series Unknown | Mar 12, 2026 |  |
| Helical Fusion | Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas. It is a spin-off startup from the National Institute for Fusion Science (NIFS) in Japan that provides a fusion reactor based on the stellarator design, a magnetic confinement approach that enables inherently stable,continuous plasma operation. | $5.6M | Series A | Dec 04, 2025 |  |
| Unito | Unito is a hospitality firm that offers lodging and accommodation facilities. | $7M | Series D | Apr 10, 2025 |  |
| One World Technology | One World Technology Co., Ltd. blends traditional Japanese culture with advanced technology to deliver a modern luxury lifestyle. It offers a shared ownership model for global clientele, allowing them to co-own culturally inspired villas featuring Japanese gardens, teahouses, and refined architectural design. | $649K | Angel |  |  |

4 of 4 investments shown.

## Co-investors
- [Animal Spirits Ltd.](https://shizune.co/investors/profile/animal-spirits-ltd) — VC Fund, 2 deals together
- [AG Capital](https://shizune.co/investors/profile/ag-capital) — VC Fund, 1 deal together
- [Daito Trust Construction](https://shizune.co/investors/profile/daito-trust-construction) — VC Fund, 1 deal together
- [ECloud](https://shizune.co/investors/profile/ecloud-japan) — VC Fund, 1 deal together
- [GomunoInaki](https://shizune.co/investors/profile/gomunoinaki) — VC Fund, 1 deal together
- [H.I.S.](https://shizune.co/investors/profile/h-i-s) — VC Fund, 1 deal together

## Similar investors

### Similar industry
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- [Shell Ventures](https://shizune.co/investors/profile/shell-technology-ventures) — VC Fund

### Similar stage
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### Similar country
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## Featured in investor lists
- [Energy Angel Investors in Japan](https://shizune.co/investors/energy-angel-investors-japan)
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- [Clean Energy Angel Investors in Asia](https://shizune.co/investors/clean-energy-angel-investors-asia)
- [Real Estate Angel Investors in Japan](https://shizune.co/investors/real-estate-angel-investors-japan)

## FAQ

### What does Kei Tanaka invest in?

Kei Tanaka invests primarily in Beauty, Energy and Cosmetics startups, most often at Angel and Series A stage. Most of the 4 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Kei Tanaka last invest?

The most recent investment recorded for Kei Tanaka closed in Mar 2026. Shizune tracks 4 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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