Jean-Pierre Rosat
Managing Partner and Founder @ 4FOX Ventures
Lausanne, Switzerland
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.
- Total investments:
- 12
- Last investment:
- Lead investor:
- 58%
Last updated:
For AI agents: llms.txt
Industries Jean-Pierre Rosat invests in
Stages Jean-Pierre Rosat invests in
Countries Jean-Pierre Rosat invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Medical Device 4 (33%)
- Health Care 3 (25%)
- Medical 2 (17%)
- AgTech 1 (8%)
- Farming 1 (8%)
Stage
- Series A 5 (42%)
- Seed 2 (17%)
- Series B 1 (8%)
- Series D 1 (8%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| 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 provides micro-actuated device allowing to treat vascular diseases. | $6M / Series A / Feb 27, 2024 | ||
| 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 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 provides micro-actuated device allowing to treat vascular diseases. | $3.2M / Series A / Jul 15, 2020 | ||
| Positrigo is a company dedicated to the development, production, and sales of dedicated brain positron emission tomography (PET) scanners. | $4.1M / Series A / Jul 10, 2020 | ||
| 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 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). | $1.8M / Series A / Dec 03, 2018 | ||
| 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). | $1.8M / Seed / Aug 20, 2018 | ||
| 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 | ||
| See all 12 investments → | |||
Co-Investors
About 4FOX Ventures
4FO Ventures
4FOX Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Andre Hoffmann
Co-Founder
|
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Jean-Pierre Rosat
Managing Partner and Founder
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Valentin Maxime Chenaux
General partner
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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.
How do I contact Jean-Pierre Rosat?
Public channels for Jean-Pierre Rosat include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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