# Gert-Jan Vaessen

> Gert-Jan Vaessen is a Series D investor at BOM (Eindhoven) backing Mobile and Semiconductor. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [BOM](https://shizune.co/investors/profile/brabantse-ontwikkelings-maatschappij-bom)
- Location: Eindhoven, The Netherlands
- Total investments: 2
- Last investment: Mar 2024
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/gjvaessen
- Website: http://www.bom.nl

Gert-Jan Vaessen is a Series D investor at BOM in Eindhoven focused on Mobile and Semiconductor. Gert-Jan Vaessen - Manager @ BOM

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Mobile | 1 | 50% |
| Semiconductor | 1 | 50% |
| Optical Communication | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series D | 1 | 50% |
| Funding Round | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Arycs Technologies | EFFECT Photonics produces components for fibre optic networks based on photonic chip technology, originally developed at Eindhoven University of Technology. The unique chip technology from EFFECT Photonics delivers high communication speeds for low costs and low energy consumption. EFFECT Photonics products are used to connect mobile networktransmitters to the rest of the Internet and to connect data centres. With the technology of EFFECT Photonics, the capacity of existing fibre optic networks can be increased without having to install additional cables. EFFECT Photonics has offices in Eindhoven Netherlands, Great Britain and Taiwan and an international network of sales partners. | $38M | Series D | Mar 19, 2024 |  |
| Arycs Technologies | EFFECT Photonics produces components for fibre optic networks based on photonic chip technology, originally developed at Eindhoven University of Technology. The unique chip technology from EFFECT Photonics delivers high communication speeds for low costs and low energy consumption. EFFECT Photonics products are used to connect mobile networktransmitters to the rest of the Internet and to connect data centres. With the technology of EFFECT Photonics, the capacity of existing fibre optic networks can be increased without having to install additional cables. EFFECT Photonics has offices in Eindhoven Netherlands, Great Britain and Taiwan and an international network of sales partners. | $40M | Venture - Series Unknown | Mar 03, 2023 |  |

2 of 2 investments shown.

## Co-investors
- [Innovation Industries](https://shizune.co/investors/profile/innovation-industries) — VC Fund, 2 deals together

## About BOM

VC Fund · Tilburg, The Netherlands

BOM invests in innovative start-ups and growth companies. BOM objectives include improved economic growth, increased employment, and solutions to social problems. They offer expertise, resources, and connections through their network to create and finance renewable energy projects.

5 contacts available at BOM.

| Name | Title | Profile |
| --- | --- | --- |
| Gert-Jan Vaessen | Manager | https://shizune.co/investors/profile/gert-jan-vaessen |
| Jeroen Siemes | Senior Investment Manager of Life Sciences and Medtech/Fund to Fund | https://shizune.co/investors/profile/jeroen-siemes |
| Jurgen van Eck | Sr Investment Manager | https://shizune.co/investors/profile/jurgen-van-eck |
| Mercedes Tuin | Sr Investment Manager | https://shizune.co/investors/profile/mercedes-tuin |
| Eelko Brinkhoff | Managing Director Foreign Investments, International Trade and MT member | https://shizune.co/investors/profile/eelko-brinkhoff-abb3 |

## Similar investors

### Similar stage
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- [Trifecta Capital Advisors](https://shizune.co/investors/profile/trifecta-capital-advisors) — VC Fund

## FAQ

### What does Gert-Jan Vaessen invest in?

Gert-Jan Vaessen invests primarily in Mobile, Semiconductor and Optical Communication startups, most often at Series D and Funding Round stage. Most of the 2 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 Gert-Jan Vaessen last invest?

The most recent investment recorded for Gert-Jan Vaessen closed in Mar 2024. 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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