# Marek Kotelnicki

> Marek Kotelnicki is a seed investor backing Electronics, Manufacturing and Laser. See 5 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 5
- Last investment: Dec 2023
- Lead investor: 40%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/marekkotelnicki/

Marek Kotelnicki is a seed investor focused on Electronics and Manufacturing. Marek Kotelnicki, Managing Partner at Vigo Ventures.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.1M–$7.7M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Electronics | 2 | 40% |
| Manufacturing | 2 | 40% |
| Laser | 1 | 20% |
| AgTech | 1 | 20% |
| Farming | 1 | 20% |

17 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 80% |
| Pre-Seed | 1 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 2 | 40% |
| Spain | 1 | 20% |
| Poland | 1 | 20% |
| Belgium | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SpexAI GmbH | For large scale Cannabis producers aiming for consistent harvest, SPpexAI is the precision farming company that delivers actionable insights in real-time, driven by spectral data and not intuition. We are building spectral imaging devices and an AI-driven platform to predict Cannabis potency during growth and detect diseases early on. |  | Seed | Dec 27, 2023 |  |
| Quantune | Quantune is a deep tech startup in optics and photonics technology. It develops laser spectrometer for continuous and non-invasive health monitoring. |  | Pre-Seed | Jun 12, 2023 |  |
| Deep Detection | Deep Detection manufactures multispectral x-ray cameras to detect just about anything you need to on high-speed continuous production lines. lightweight plastics, low density materials, non-homogeneous substrates, correct product checks, material identification, characterisation of attributes, composition, physical parameters, food quality, fruit,and cereals maturity, lean meat content, low calcified bones, high production speeds, deep bed inspection, imiscible compounds, fresh, frozen, solid, liquid, and composites assembly | $1.1M | Seed | Nov 18, 2021 |  |
| QustomDot | QustomDot is an advanced materials company that produces on-chip grade Quantum Dots (QDs) and assists customers in successfully integrating QDs into their products. QustomDot is headquartered in Ghent, Belgium. | $3.3M | Seed | Feb 25, 2020 |  |
| Fluence.technology | Fluence is laser manufacturer based in Warsaw (Poland) that is focused on environmentally stable femtosecond fiber laser technology. The mission of the company is to deliver maintenance-free femtosecond lasers with an exceptionally long lifetime. Long years of research have led Fluence to create shock and temperature immune femtosecond lasers whichcan be used in various fields: from science to industrial micromachining. Fluence expertise and products extend to optical parametric amplifiers and laser pulse diagnostics equipment with a revision to the standard approach. | $7.7M | Seed |  |  |

5 of 5 investments shown.

## Co-investors
- [PMV](https://shizune.co/investors/profile/pmv-eu) — VC Fund, 2 deals together
- [Qbic Fund](https://shizune.co/investors/profile/qbic-fund) — VC Fund, 2 deals together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 1 deal together
- [Clave Capital](https://shizune.co/investors/profile/clave) — VC Fund, 1 deal together
- [DnA Ventures](https://shizune.co/investors/profile/dna-ventures) — VC Fund, 1 deal together
- [ESOM](https://shizune.co/investors/profile/esom) — VC Fund, 1 deal together

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

### What does Marek Kotelnicki invest in?

Marek Kotelnicki invests primarily in Electronics, Manufacturing and Laser startups, most often at Seed and Pre-Seed stage. Most of the 5 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Marek Kotelnicki's check size?

Marek Kotelnicki typically joins rounds of $1.1M–$7.7M 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 Marek Kotelnicki participates in.

### When did Marek Kotelnicki last invest?

The most recent investment recorded for Marek Kotelnicki closed in Dec 2023. Shizune tracks 5 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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