# Jean-Pierre Rosat

> Jean-Pierre Rosat is a Series A investor at 4FOX Ventures backing Medical Device and Health Care. See 12 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [4FOX Ventures](https://shizune.co/investors/profile/4fo-ventures)
- Location: Lausanne, Switzerland
- Total investments: 12
- Last investment: Oct 2025
- Lead investor: 58%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jean-pierre-rosat-b9648b91

Jean-Pierre Rosat is a Series A investor at 4FOX Ventures in Lausanne focused on Medical Device and Health Care. Jean-Pierre Rosat is the Managing Partner and Founder at 4FO Ventures.He attended EPFL (École polytechnique fédérale de Lausanne) in 1998.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical Device | 4 | 33% |
| Health Care | 3 | 25% |
| Medical | 2 | 17% |
| AgTech | 1 | 8% |
| Farming | 1 | 8% |

12 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 5 | 42% |
| Seed | 2 | 17% |
| Series B | 1 | 8% |
| Series D | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ecorobotix | ecoRobotix contributes to an agriculture that respects the environment, focusing on soil and hydrological resources conservation and using a minimum amount of energy. ecoRobotix aims to offer precise, safe, reliable and affordable robotic solutions that simplify farmers’ life to produce healthy food. In particular, its revolutionary solar-poweredweeding robot offers a more sustainable use of herbicides while reducing farmers costs. | $105.7M | Series D | Oct 13, 2025 |  |
| ARTIRIA Medical | ARTIRIA Medical provides micro-actuated device allowing to treat vascular diseases. | $6M | Series A | Feb 27, 2024 |  |
| Ecorobotix | ecoRobotix contributes to an agriculture that respects the environment, focusing on soil and hydrological resources conservation and using a minimum amount of energy. ecoRobotix aims to offer precise, safe, reliable and affordable robotic solutions that simplify farmers’ life to produce healthy food. In particular, its revolutionary solar-poweredweeding robot offers a more sustainable use of herbicides while reducing farmers costs. | $51.7M | Series B | May 09, 2023 |  |
| Aspivix | ASPIVIX is developing a new generation of medical devices that make gynecological procedures gentler and safer for women and gynecologists. The first device, CAREVIX, is designed to prevent cervix bleeding using a suction technology to replace traumatic tenaculum (forceps). | $5M | Series A | Nov 17, 2022 |  |
| ARTIRIA Medical | ARTIRIA Medical provides micro-actuated device allowing to treat vascular diseases. | $3.2M | Series A | Jul 15, 2020 |  |
| Positrigo | Positrigo is a company dedicated to the development, production, and sales of dedicated brain positron emission tomography (PET) scanners. | $4.5M | Series A | Jul 10, 2020 |  |
| Neo Medical | Neo aims at transforming the current approach to spinal surgery by providing a unique answer to the worldwide strive for healthcare cost optimization through efficient, versatile and high quality systems. | $13.6M | Series A | May 15, 2020 |  |
| Aspivix | ASPIVIX is developing a new generation of medical devices that make gynecological procedures gentler and safer for women and gynecologists. The first device, CAREVIX, is designed to prevent cervix bleeding using a suction technology to replace traumatic tenaculum (forceps). | $2.1M | Series A | Dec 03, 2018 |  |
| Aspivix | ASPIVIX is developing a new generation of medical devices that make gynecological procedures gentler and safer for women and gynecologists. The first device, CAREVIX, is designed to prevent cervix bleeding using a suction technology to replace traumatic tenaculum (forceps). | $2.1M | Seed | Aug 20, 2018 |  |
| Ecorobotix | ecoRobotix contributes to an agriculture that respects the environment, focusing on soil and hydrological resources conservation and using a minimum amount of energy. ecoRobotix aims to offer precise, safe, reliable and affordable robotic solutions that simplify farmers’ life to produce healthy food. In particular, its revolutionary solar-poweredweeding robot offers a more sustainable use of herbicides while reducing farmers costs. | $10.7M | Series A | May 30, 2018 |  |

10 of 12 investments shown.

## Co-investors
- [Verve Ventures](https://shizune.co/investors/profile/verve-ventures) — VC Fund, 7 deals together
- [Business Angels Switzerland (BAS)](https://shizune.co/investors/profile/business-angels-switzerland-bas) — VC Fund, 6 deals together
- [Zürcher Kantonal Bank](https://shizune.co/investors/profile/z%C3%BCrcher-kantonalbank) — VC Fund, 4 deals together
- [BASF Venture Capital](https://shizune.co/investors/profile/basf-venture-capital) — VC Fund, 3 deals together
- [Capagro](https://shizune.co/investors/profile/capagro) — VC Fund, 2 deals together
- [Flexstone Partners](https://shizune.co/investors/profile/flexstone-partners) — VC Fund, 2 deals together

## About 4FOX Ventures

VC Fund · Luxembourg, Luxembourg

4FO Ventures

3 contacts available at 4FOX Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Andre Hoffmann | Co-Founder | https://shizune.co/investors/profile/andre-hoffmann-da1c |
| Jean-Pierre Rosat | Managing Partner and Founder | https://shizune.co/investors/profile/jean-pierre-rosat |
| Valentin Maxime Chenaux | General partner | https://shizune.co/investors/profile/valentin-maxime-chenaux |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Jean-Pierre Rosat invest in?

Jean-Pierre Rosat invests primarily in Medical Device, Health Care and Medical startups, most often at Series A and Seed stage. Most of the 12 investments tracked by Shizune back companies in Switzerland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Jean-Pierre Rosat last invest?

The most recent investment recorded for Jean-Pierre Rosat closed in Oct 2025. Shizune tracks 12 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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