# Martijn Tjho

> Martijn Tjho is a seed investor at BIYU (Paris) backing Music, Education and Machine Learning. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [BIYU](https://shizune.co/investors/profile/biyu)
- Location: Paris, France
- Total investments: 2
- Last investment: Mar 2017
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/mtjho

Martijn Tjho is a seed investor at BIYU in Paris focused on Music and Education. Martijn Tjho is teh Co-Founder and CEO at BIYU.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $150k–$800k |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Music | 1 | 50% |
| Education | 1 | 50% |
| Machine Learning | 1 | 50% |
| Artificial Intelligence | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Jellynote | Jellynote is the go-to-destination for over 1 million aspiring musicians; a loyal community who enjoy sheets, tabs and chords, original video content and the opportunity to connect with one-another in the Jellynote universe.Jellynote has developed all of its proprietary technology in-house, delivering an intuitive AI-powered edtech platform toits fans. Jellynote sells premium subscriptions and generates revenue from ads.Jellynote offers over 400,000 songs that you can be played to learn through original artist video master classes, video tutorials, sheets, tabs, chords and instrument view for a wide range of instruments. The game mode provides instant feedback and social mode connects musicians share their tastes in music. The Jellynote universe demonstrates how music can connect people in a world that is getting more and more divided. Available on Smartphone and desktop. | $800K | Seed | Mar 14, 2017 |  |
| Jellynote | Jellynote is the go-to-destination for over 1 million aspiring musicians; a loyal community who enjoy sheets, tabs and chords, original video content and the opportunity to connect with one-another in the Jellynote universe.Jellynote has developed all of its proprietary technology in-house, delivering an intuitive AI-powered edtech platform toits fans. Jellynote sells premium subscriptions and generates revenue from ads.Jellynote offers over 400,000 songs that you can be played to learn through original artist video master classes, video tutorials, sheets, tabs, chords and instrument view for a wide range of instruments. The game mode provides instant feedback and social mode connects musicians share their tastes in music. The Jellynote universe demonstrates how music can connect people in a world that is getting more and more divided. Available on Smartphone and desktop. | $150K | Seed | Oct 28, 2016 |  |

2 of 2 investments shown.

## Co-investors
- [Nordic Eye Venture Capital](https://shizune.co/investors/profile/nordic-eye-venture-capital) — VC Fund, 1 deal together
- [Partech](https://shizune.co/investors/profile/partech) — VC Fund, 1 deal together

## About BIYU

VC Fund · Amsterdam, The Netherlands

BIYU offers rental equipment services for gardening, party, cleaning, and the kitchen.

3 contacts available at BIYU.

| Name | Title | Profile |
| --- | --- | --- |
| Martijn Tjho | Co-Founder and CEO | https://shizune.co/investors/profile/martijn-tjho |
| Anne Nijenhuis | Advisor to the Board of BIYU | https://shizune.co/investors/profile/anne-nijenhuis |
| Frans Walter Biegstraaten | Co-founder & CCO | https://shizune.co/investors/profile/frans-walter-biegstraaten |

## Similar investors

### Similar industry
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### Similar stage
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## FAQ

### What does Martijn Tjho invest in?

Martijn Tjho invests primarily in Music, Education and Machine Learning startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Martijn Tjho's check size?

Martijn Tjho typically joins rounds of $150k–$800k 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 Martijn Tjho participates in.

### When did Martijn Tjho last invest?

The most recent investment recorded for Martijn Tjho closed in Mar 2017. Shizune tracks 2 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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