# Jean Charles Samuelian

> Jean Charles Samuelian is a seed investor at Mistral AI (Paris) backing Software and Apps. See 22 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Mistral AI](https://shizune.co/investors/profile/mistral-ai)
- Location: Paris, France
- Total investments: 22
- Last investment: Jun 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jcsamuelian
- X (Twitter): https://twitter.com/jcsamuelian
- Website: https://medium.com/@jcsamuelian/

Jean Charles Samuelian is a seed investor at Mistral AI in Paris focused on Software and Apps. Jean-Charles Samuelian is the Co-founder and CEO of Alan. He attended Ecole des Ponts ParisTech.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.9M–$6M |
| Pre-Seed | $932k–$4.3M |
| Series A | $8M–$20M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 5 | 23% |
| Apps | 4 | 18% |
| Artificial Intelligence | 4 | 18% |
| SaaS | 3 | 14% |
| Health Care | 3 | 14% |

37 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 12 | 55% |
| Pre-Seed | 6 | 27% |
| Series A | 3 | 14% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| France | 11 | 50% |
| United States | 6 | 27% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Rocapine | Rocapine AI-native venture studio focused on developing mobile apps within the digital health and self-care sectors. Utilizing a high-velocity model, the company tests hundreds of minimal app prototypes annually in partnership with independent developers. Their strategy emphasizes a "hold instead of hook" philosophy, focusing on fosteringhealthy user habits rather than maximizing screen time. | $13M | Series A | Jun 16, 2026 |  |
| Upstream | Upstream is a collaborative email client with channels and task-tracking, offering context and transparency for efficient team decisions. | $3M | Pre-Seed | Jun 03, 2026 |  |
| YOUTH | YOUTH uses data collected from smartphone sensors and machine learning to make prevention easily accessible. With a face video, audio recording and an eye picture YOUTH can screen your health status in under 2 minutes, and detect early signs of health risks for 10+ organs and 49+ biomarkers. | $4.5M | Seed | Feb 25, 2026 |  |
| Beside | Beside is an app that provides users with a dedicated second phone number for calls and texts. It includes AI-driven voicemail transcription, call summaries, and actionable to-dos for conversations. It also supports integration with tools like CRM systems and automation platforms to sync call data and notes. | $20M | Series A | Oct 29, 2025 |  |
| OnParty | OnParty is a digital platform and mobile app designed for organizing, discovering, and managing parties and nightlife events. Users can easily create event pages, invite friends, and access exclusive nightlife experiences. The app also connects users with vetted professionals such as DJs, influencers, and artists to enhance event planning andexecution. | $1.2M | Pre-Seed | Jul 25, 2025 |  |
| Duna | Duna is redefining business identity. It will evolve into a network for shareable identity – making onboarding as simple as one click. | $12.1M | Seed | May 07, 2025 |  |
| Twenty | Twenty builds the modern salesforce, powered by the open source community. | $5M | Seed | Nov 19, 2024 |  |
| Twenty (YC S23) | Building a better Salesforce, powered by the Open Source community. | $5M | Seed | Nov 18, 2024 |  |
| YOUTH | YOUTH uses data collected from smartphone sensors and machine learning to make prevention easily accessible. With a face video, audio recording and an eye picture YOUTH can screen your health status in under 2 minutes, and detect early signs of health risks for 10+ organs and 49+ biomarkers. | $1M | Pre-Seed | Sep 03, 2024 |  |
| Spiko | Spiko is a tokenization platform that offers to be the supplier of tokenized Money Market Funds. | $4.3M | Pre-Seed | Jun 11, 2024 |  |

10 of 22 investments shown.

## Co-investors
- [Motier Ventures](https://shizune.co/investors/profile/motier-ventures) — VC Fund, 5 deals together
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund, 4 deals together
- [Kima Ventures](https://shizune.co/investors/profile/kima-ventures) — VC Fund, 4 deals together
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 3 deals together
- [Isai](https://shizune.co/investors/profile/isai) — VC Fund, 3 deals together
- [Firestreak Ventures](https://shizune.co/investors/profile/firestreak-ventures) — VC Fund, 2 deals together

## About Mistral AI

VC Fund · Paris, France

Mistral AI is a platform that assembles team to develop the generative AI models.

5 contacts available at Mistral AI.

| Name | Title | Profile |
| --- | --- | --- |
| Arthur Mensch | Co-Founder & CEO | https://shizune.co/investors/profile/arthur-mensch |
| Guillaume Lample | Co-Founder & Chief Scientist | https://shizune.co/investors/profile/guillaume-lample |
| Timothee Lacroix | Co-Founder & CTO | https://shizune.co/investors/profile/timothee-lacroix |
| Charles Gorintin | Co-founder | https://shizune.co/investors/profile/charles-gorintin |
| Jean Charles Samuelian | Co-founder | https://shizune.co/investors/profile/jean-charles-samuelian-2 |

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar country
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund
- [Kima Ventures](https://shizune.co/investors/profile/kima-ventures) — VC Fund
- [Motier Ventures](https://shizune.co/investors/profile/motier-ventures) — VC Fund

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## FAQ

### What does Jean Charles Samuelian invest in?

Jean Charles Samuelian invests primarily in Software, Apps and Artificial Intelligence startups, most often at Seed and Pre-Seed stage. Most of the 22 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Jean Charles Samuelian's check size?

Jean Charles Samuelian typically joins rounds of $1.9M–$6M at Seed, $932k–$4.3M at Pre-Seed and $8M–$20M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jean Charles Samuelian participates in.

### When did Jean Charles Samuelian last invest?

The most recent investment recorded for Jean Charles Samuelian closed in Jun 2026. Shizune tracks 22 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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