# Jean-Jacques Miauton

> Jean-Jacques Miauton is a convertible note investor backing Water. See 1 investments, check sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Location: Lausanne, Switzerland
- Total investments: 1
- Last investment: Sep 2015
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/jean-jacques-miauton-3557203b/

Jean-Jacques Miauton is a convertible note investor in Lausanne focused on Water and Renewable Energy. Jean-Jacques Miauton

## Contacts

5 contacts available for Jean-Jacques Miauton: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/jean-jacques-miauton?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Water | 1 | 100% |
| Renewable Energy | 1 | 100% |
| Waste Management | 1 | 100% |
| Water Purification | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| TreaTech | TreaTech is a Swiss Cleantech company founded in 2015 by EPFL engineers. We are developing a ground-breaking treatment technology that will enable an eco-friendly treatment of the ever-increasing quantities of wastewater while recycling its valuable by-products and most notably, clean water. Our catalytic hydrothermal gasification (HTG) systemhas been developed for the disposal of different types of liquid wastes (such as sewage sludge) that are usually incinerated or landfilled and instead, turns them into by-products such as biogas, clean water, and mineral salts that can further be upgraded into phosphorus products (e.g. fertilizers). | $102.9K | Convertible Note | Sep 03, 2015 | http://trea-tech.com/ |

1 of 1 investments shown.

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## FAQ

### What does Jean-Jacques Miauton invest in?

Jean-Jacques Miauton invests primarily in Water, Renewable Energy and Waste Management startups, most often at Convertible Note stage. Most of the 1 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-Jacques Miauton?

Public channels for Jean-Jacques Miauton 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-Jacques Miauton last invest?

The most recent investment recorded for Jean-Jacques Miauton closed in Sep 2015. Shizune tracks 1 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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