# Steven Tielemans

> Steven Tielemans is a pre-seed investor at THEO Technologies backing Internet. See 1 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Fund: THEO Technologies
- Total investments: 1
- Last investment: Jul 2026
- Lead investor: 0%
- Last updated: Sep 2026

Steven Tielemans is a pre-seed investor at THEO Technologies focused on Internet and Information Technology.

## Contacts

5 contacts available for Steven Tielemans: 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/steven-tielemans?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Internet | 1 | 100% |
| Information Technology | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Visiblie | Visiblie is an AI visibility and “AI SEO” platform that helps brands understand and improve how they appear in AI-generated search and answers across tools like ChatGPT, Perplexity, and other LLM-based systems. It provides tracking, analytics, and optimization insights to enhance brand discoverability, content performance, and digital presence inemerging AI-driven search ecosystems and conversational interfaces. | $570.6K | Pre-Seed | Jul 02, 2026 |  |

1 of 1 investments shown.

## Co-investors
- [Be Angels](https://shizune.co/investors/profile/be-angels) — VC Fund, 1 deal together
- [Seeder Fund](https://shizune.co/investors/profile/seeder-fund) — VC Fund, 1 deal together

## About THEO Technologies

VC Fund · Leuven, Belgium

THEO Technologies is an operator of universal video playback technologies intended to facilitate the perfect video experience on any platform or device, at any time and everywhere.

4 contacts available at THEO Technologies.

| Name | Title | Profile |
| --- | --- | --- |
| Andrew Brown | Head of Sales/Partnerships | — |
| Daniel Kalisch | External Legal Counsel | — |
| Pieter-Jan Speelmans | Founder, CTO | — |
| Steven Tielemans | Founder and CEO | https://shizune.co/investors/profile/steven-tielemans |

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## Featured in investor lists
- [Internet Angel Investors in Belgium](https://shizune.co/investors/internet-angel-investors-belgium)

## FAQ

### What does Steven Tielemans invest in?

Steven Tielemans invests primarily in Internet and Information Technology startups, most often at Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in Belgium. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Steven Tielemans?

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 Steven Tielemans last invest?

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

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