# Charles Letourneur

> Charles Letourneur is a Series A investor at Alven (Paris) backing Software and Simulation. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Alven](https://shizune.co/investors/profile/alven-capital)
- Location: Paris, France
- Total investments: 2
- Last investment: Dec 2025
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/charles-letourneur-347bb233/

Charles Letourneur is a Series A investor at Alven in Paris focused on Software and Simulation. Charles Letourneur is Member Of Board Of Directors at Digibonus.Charles is co-founder and a managing partner at Alven Capital, a Paris-based independent venture-capital firm.He joined the M&A department of Lazard in 1991 in New York and later Paris. In 2000, he was appointed member of the Executive Committee of Gaz & Eau(renamed Eurazeo). Charles is a graduate of Ecole Polytechnique, ENSAE and IEP Paris.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 1 | 50% |
| Simulation | 1 | 50% |
| Machine Learning | 1 | 50% |
| Industrial Automation | 1 | 50% |
| Artificial Intelligence | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 50% |
| Series C | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Neural Concept | Neural Concept is an innovative AI platform focused on transforming engineering product design through advanced 3D deep learning algorithms. By integrating AI directly into design and simulation processes, Neural Concept enables engineering teams to shorten development timelines from months to days, enhance product performance in terms ofefficiency, safety, and sustainability, and facilitate the scaling of AI adoption without the need for expensive and lengthy integration. | $100M | Series C | Dec 18, 2025 |  |
| Neural Concept | Neural Concept is an innovative AI platform focused on transforming engineering product design through advanced 3D deep learning algorithms. By integrating AI directly into design and simulation processes, Neural Concept enables engineering teams to shorten development timelines from months to days, enhance product performance in terms ofefficiency, safety, and sustainability, and facilitate the scaling of AI adoption without the need for expensive and lengthy integration. | $9.1M | Series A | Mar 22, 2022 |  |

2 of 2 investments shown.

## Co-investors
- [Aster](https://shizune.co/investors/profile/aster-capital) — VC Fund, 2 deals together
- [CNB Capital](https://shizune.co/investors/profile/constantia-industries) — VC Fund, 2 deals together
- [Goldman Sachs Alternatives](https://shizune.co/investors/profile/goldman-sachs-alternatives) — VC Fund, 2 deals together
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund, 2 deals together
- [D. E. Shaw & Co.](https://shizune.co/investors/profile/d-e-shaw-co) — VC Fund, 1 deal together
- [Forestay Capital](https://shizune.co/investors/profile/forestay-capital) — VC Fund, 1 deal together

## About Alven

VC Fund · Paris, France

Alven Capital is an early-stage venture capital firm with over $500 million under management. Alven backs primarily ambitious French and French-related entrepreneurs in the digital technology space. Alven’s sectors of interest include notably AI, data management platforms, Saas, security solutions, as well as disruptive consumer models with aparticular focus on marketplaces and web brands.

5 contacts available at Alven.

| Name | Title | Profile |
| --- | --- | --- |
| Guillaume Aubin | Co-Founder and Managing Partner | https://shizune.co/investors/profile/guillaume-aubin |
| Maria Tahri | VC investor, Associate | https://shizune.co/investors/profile/maria-tahri |
| Rodolphe Menegaux | Partner | https://shizune.co/investors/profile/rodolphe-menegaux |
| Charles Letourneur | Managing Partner and Co-Founder | https://shizune.co/investors/profile/charles-letourneur |
| François Meteyer | Partner | https://shizune.co/investors/profile/fran%C3%A7ois-meteyer |

## 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 Charles Letourneur invest in?

Charles Letourneur invests primarily in Software, Simulation and Machine Learning startups, most often at Series A and Series C stage. Most of the 2 investments tracked by Shizune back companies in Switzerland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Charles Letourneur last invest?

The most recent investment recorded for Charles Letourneur closed in Dec 2025. Shizune tracks 2 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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