# Siep van der Valk

> Siep van der Valk is a seed investor backing Oil and Gas. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 1
- Last investment: Sep 2022
- Lead investor: 0%
- Last updated: Aug 2026

Siep van der Valk is an individual investor.

## Contacts

5 contacts available for Siep van der Valk: 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/siep-van-der-valk?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Oil and Gas | 1 | 100% |
| Artificial Intelligence | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Quatt.io | Quatt designs AI-powered smart hybrid heat pumps to accelerate the decrease of gas consumption. | $2M | Seed | Sep 14, 2022 | https://www.quatt.io |

1 of 1 investments shown.

## Co-investors
- [Impact Equity Fund](https://shizune.co/investors/profile/impact-equity-fund) — VC Fund, 1 deal together

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## Featured in investor lists
- [Oil and Gas Angel Investors](https://shizune.co/investors/oil-and-gas-angel-investors)

## FAQ

### What does Siep van der Valk invest in?

Siep van der Valk invests primarily in Oil and Gas and Artificial Intelligence startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in The Netherlands. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Siep van der Valk?

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 Siep van der Valk last invest?

The most recent investment recorded for Siep van der Valk closed in Sep 2022. 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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