# Katsuhiro Tamukai

> Katsuhiro Tamukai is a seed investor backing Wellness, Lifestyle and Elder Care. See 1 investments, check sizes, portfolio. Updated Aug 2026.

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

Katsuhiro Tamukai is a COO of Cost Science.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Wellness | 1 | 100% |
| Lifestyle | 1 | 100% |
| Elder Care | 1 | 100% |
| Humanitarian | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| AgeWell Japan | Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas. | $547.8K | Seed | Aug 04, 2021 |  |

1 of 1 investments shown.

## Co-investors
- [Z Venture Capital](https://shizune.co/investors/profile/z-venture-capital) — VC Fund, 2 deals together
- [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 1 deal together
- [Mint](https://shizune.co/investors/profile/mint-495d) — VC Fund, 1 deal together

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## FAQ

### What does Katsuhiro Tamukai invest in?

Katsuhiro Tamukai invests primarily in Wellness, Lifestyle and Elder Care 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 Katsuhiro Tamukai last invest?

The most recent investment recorded for Katsuhiro Tamukai closed in Aug 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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