# Carl Starfel

> Carl Starfel is a seed investor backing Water and CleanTech. See 1 investments, round sizes, portfolio and contact details. Updated Oct 2026.

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

Carl Starfel is a professional football player.

## Contacts

5 contacts available for Carl Starfel: 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/carl-starfel?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Water | 1 | 100% |
| CleanTech | 1 | 100% |
| Biotechnology | 1 | 100% |
| Water Purification | 1 | 100% |
| Environmental Consulting | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Hydro Diagnostics | Hydro Diagnostics is an innovative biotechnology company dedicated to improving water safety through rapid bacterial detection and point-of-use filtration systems. The company bridges the gap between laboratory testing and field operations by delivering fast, on-site diagnostics driven by modern technology | $338.5K | Seed | Oct 01, 2026 | https://hydrodiagnostics.se |

1 of 1 investments shown.

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## FAQ

### What does Carl Starfel invest in?

Carl Starfel invests primarily in Water, CleanTech and Biotechnology startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Sweden. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Carl Starfel?

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 Carl Starfel last invest?

The most recent investment recorded for Carl Starfel closed in Oct 2026. 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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