# Stef van Grieken

> Stef van Grieken is a seed investor at Cradle (Zürich) backing PaaS, SaaS and Software. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Cradle](https://shizune.co/investors/profile/cradle-0c4f)
- Location: Zürich, Switzerland
- Total investments: 3
- Last investment: Jan 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/stefvangrieken/

Stef van Grieken is a seed investor at Cradle in Zürich focused on PaaS and SaaS. Stef van Grieken serves as a co-founder and CEO at Cradle.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $6M–$9.7M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| PaaS | 2 | 67% |
| SaaS | 2 | 67% |
| Software | 2 | 67% |
| Computer Vision | 2 | 67% |
| Internet of Things | 2 | 67% |

12 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ahead Health | Ahead Health is redefining preventive healthcare by making personalized health insights clear, actionable, and accessible anytime, anywhere | $6M | Seed | Jan 13, 2026 |  |
| viso.ai | The Viso Suite provides the world's first end-to-end computer vision application platform for businesses to build and scale computer vision applications dramatically faster and easier. The model-driven infrastructure is used by some of the world's leading organizations across industries.The end-to-end platform provides a no-codeinterface to increase productivity, maximize system compatibility, and establish standardization across a portfolio of different computer vision applications. Applications built with the Viso Suite are flexible, easily upgraded, and can be ported across different hardware platforms (cameras, computing) with little or no modification, providing a solution that future-proofs customers' investment in computer vision application development. |  | Seed | Oct 25, 2023 |  |
| viso.ai | The Viso Suite provides the world's first end-to-end computer vision application platform for businesses to build and scale computer vision applications dramatically faster and easier. The model-driven infrastructure is used by some of the world's leading organizations across industries.The end-to-end platform provides a no-codeinterface to increase productivity, maximize system compatibility, and establish standardization across a portfolio of different computer vision applications. Applications built with the Viso Suite are flexible, easily upgraded, and can be ported across different hardware platforms (cameras, computing) with little or no modification, providing a solution that future-proofs customers' investment in computer vision application development. | $9.7M | Seed | Oct 25, 2023 |  |

3 of 3 investments shown.

## Co-investors
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 2 deals together
- [Pareto Holdings](https://shizune.co/investors/profile/pareto-holdings) — VC Fund, 1 deal together
- [RTP Global](https://shizune.co/investors/profile/rtp-global) — VC Fund, 1 deal together
- [Tiny Supercomputer Investment Company](https://shizune.co/investors/profile/tiny-vc) — VC Fund, 1 deal together

## About Cradle

VC Fund · Zürich, Switzerland

Using robust prediction algorithms and AI design recommendations, Cradle assists biologists in rapidly designing better proteins. Cradle gives you complete ownership of the intellectual property while maintaining the privacy and security of your sequences and data.

1 contacts available at Cradle.

| Name | Title | Profile |
| --- | --- | --- |
| Stef van Grieken | Co-Founder & CEO | https://shizune.co/investors/profile/stef-van-grieken |

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## FAQ

### What does Stef van Grieken invest in?

Stef van Grieken invests primarily in PaaS, SaaS and Software startups, most often at Seed stage. Most of the 3 investments tracked by Shizune back companies in Switzerland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Stef van Grieken's check size?

Stef van Grieken typically joins rounds of $6M–$9.7M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Stef van Grieken participates in.

### When did Stef van Grieken last invest?

The most recent investment recorded for Stef van Grieken closed in Jan 2026. Shizune tracks 3 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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