# Francois Breniaux

> Francois Breniaux is a seed investor at CEA Investissement backing Software and Diving. See 5 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [CEA Investissement](https://shizune.co/investors/profile/cea-investments)
- Total investments: 5
- Last investment: Jul 2025
- Lead investor: 80%
- Last updated: Aug 2026

Francois Breniaux is a seed investor at CEA Investissement focused on Software and Diving. 44, ESCP Master ECP + - 8 years at the Bureau d'Etudes Marketing CEA, co-founder of the start-up ALCHIMER - Francis is in charge of sectors Instrumentation, Materials, Medtech and software. He is based in Saclay.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 2 | 40% |
| Diving | 1 | 20% |
| Nuclear | 1 | 20% |
| Logistics | 1 | 20% |
| Public Safety | 1 | 20% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 40% |
| Venture - Series Unknown | 2 | 40% |
| Series A | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| STELLARIA | Stellaria is reimagining sustainable rapid neutron nuclear energy. | $26.7M | Seed | Jul 17, 2025 |  |
| dessIA | DessIA uses augmented engineering software powered by AI to reduce product development lead time. The company's platform provides bots that help engineers design mechanical systems. The Bots help engineers and architects in the early stages of the development process by swiftly producing thousands of architectures and determining the optimumconfigurations satisfying sustainability and profitability criteria. | $3.3M | Venture - Series Unknown | Oct 01, 2024 |  |
| Vulkam | Vulkam is an innovative microtechnology start up from the french research laboratories. | $15.5M | Venture - Series Unknown | Dec 30, 2023 |  |
| CORE FOR TECH | Core for Tech is a Deep Tech company who measures and predicts Drowsiness while driving thanks to Heart Rate Variability. Our mission ? Your safety. We detect drowsiness at a very early stage, before it's visible, and predict the driver's upcoming sleepiness level to make the right safety decisions at the right time. | $3.8M | Seed | Oct 12, 2021 |  |
| Vulkam | Vulkam is an innovative microtechnology start up from the french research laboratories. | $3.9M | Series A | Feb 04, 2020 |  |

5 of 5 investments shown.

## Co-investors
- [BNP Paribas Développement](https://shizune.co/investors/profile/bnp-paribas-developpement) — VC Fund, 2 deals together
- [At One Ventures](https://shizune.co/investors/profile/at-one-ventures) — VC Fund, 1 deal together
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund, 1 deal together
- [CEA Investissement](https://shizune.co/investors/profile/cea-investments) — VC Fund, 1 deal together
- [Crédit Agricole Alpes Development](https://shizune.co/investors/profile/cr%C3%A9dit-agricole-alpes-development) — VC Fund, 1 deal together
- [Exergon](https://shizune.co/investors/profile/exergon-149c) — VC Fund, 1 deal together

## About CEA Investissement

VC Fund · Paris, France

CEA Investissement (SA), founded (as CEA Valorisation) in 1999, is a subsidiary of the CEA, a major player in technological research, development and innovation. The central mission of CEA Valorisation is to create economic value based on technological innovations. To fulfill this mission, they have developed two main activities: Investmentin seed capital in innovative start-ups / start-ups active in the technology areas of CEA. The Licensing of advising companies and public laboratories of innovation in creative strategy development and marketing rights to patent or know-how belonging to the CEA, other research organizations or innovative companies. In addition, CEA contributes to the financing of national investment in seed technology (activity "Fund of Funds"), this activity is developed through particular Emertec management and funds managed by this company (FCPR Emertec 2 Emertec Energy and Environment), the FCPR managed by ACE Security Management SA, an investment company in seed priming Minatec SAS. Their areas of technological expertise are mainly micro-and nanotechnology, health technologies, the New Technologies for Information and Communication (NTIC), advanced materials and technologies for energy.

5 contacts available at CEA Investissement.

| Name | Title | Profile |
| --- | --- | --- |
| Christophe Desrumaux | Investment Director | https://shizune.co/investors/profile/christophe-desrumaux |
| Francois Breniaux | Investment Director | https://shizune.co/investors/profile/francois-breniaux |
| Laurent Lelait | Investment Director | https://shizune.co/investors/profile/laurent-lelait |
| Martin Savaris | Cleantech & Energy Analyst | https://shizune.co/investors/profile/martin-savaris |
| Regis Saleur | Director | https://shizune.co/investors/profile/rgis-saleur |

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## FAQ

### What does Francois Breniaux invest in?

Francois Breniaux invests primarily in Software, Diving and Nuclear startups, most often at Seed and Venture - Series Unknown stage. Most of the 5 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Francois Breniaux last invest?

The most recent investment recorded for Francois Breniaux closed in Jul 2025. 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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