# Marius Jansen

> Marius Jansen is a seed investor at Attrace (Nieuw-amsterdam) backing Marketing and Advertising. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Attrace](https://shizune.co/investors/profile/attrace)
- Location: Nieuw-amsterdam, The Netherlands
- Total investments: 1
- Last investment: May 2021
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/mariusjansen/

Marius Jansen is a seed investor at Attrace in Nieuw-amsterdam focused on Marketing and Advertising. Ex crypto trader with extensive blockchain and ICO knowledge

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Marketing | 1 | 100% |
| Advertising | 1 | 100% |
| Market Research | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Attrace | The Attrace platform applies blockchain technology at the core of Affiliate Marketing by linking a smart contract to every individual click/referral generated, sale or no-sale. This approach makes a regulating Affiliate Network obsolete. Merchants and Publishers will have the advantages of Attrace as listed in the above while working with aninterface that does not materially differ from current Affiliate Networks. | $2.5M | Seed | May 12, 2021 |  |

1 of 1 investments shown.

## Co-investors
- [Coinstone Capital](https://shizune.co/investors/profile/coinstone-capital) — VC Fund, 1 deal together

## About Attrace

VC Fund · Amsterdam, The Netherlands

The Attrace platform applies blockchain technology at the core of Affiliate Marketing by linking a smart contract to every individual click/referral generated, sale or no-sale. This approach makes a regulating Affiliate Network obsolete. Merchants and Publishers will have the advantages of Attrace as listed in the above while working with aninterface that does not materially differ from current Affiliate Networks.

5 contacts available at Attrace.

| Name | Title | Profile |
| --- | --- | --- |
| Erwin Werring | Co-Founder & CEO | https://shizune.co/investors/profile/erwin-werring |
| Lennard Zwart | COO | https://shizune.co/investors/profile/lennard-zwart-ca66 |
| Marius Jansen | Co-Founder | https://shizune.co/investors/profile/marius-jansen |
| Marius Jansen | Co-Founder | https://shizune.co/investors/profile/marius-jansen-40c9 |
| Roeland Werring | Co Founder & Development | https://shizune.co/investors/profile/roeland-werring |

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## FAQ

### What does Marius Jansen invest in?

Marius Jansen invests primarily in Marketing, Advertising and Market Research 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.

### When did Marius Jansen last invest?

The most recent investment recorded for Marius Jansen closed in May 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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