# Thomas Clozel

> Thomas Clozel is a seed investor at Waiv (New York) backing Software and Artificial Intelligence. See 10 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Waiv](https://shizune.co/investors/profile/owkin-2)
- Location: New York, United States
- Total investments: 10
- Last investment: Apr 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/thomas-clozel-m-d-408a9321/
- X (Twitter): https://twitter.com/TClozel
- Website: http://www.owkin.com

Thomas Clozel is a seed investor at Waiv in New York focused on Software and Artificial Intelligence. Thomas Clozel co-founded Owkin with Gilles Wainrib and serves as Chief Executive Officer. Mr. Clozel attended Weill Medical College of Cornell University and Icahn School of Medicine at Mount Sinai.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.4M–$10M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 4 | 40% |
| Artificial Intelligence | 3 | 30% |
| Apps | 1 | 10% |
| FinTech | 1 | 10% |
| Genetics | 1 | 10% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 9 | 90% |
| Pre-Seed | 1 | 10% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| France | 6 | 60% |
| United States | 2 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Modern Relay | Modern Relay provides context graph for enterprise AI. | $2.9M | Seed | Apr 14, 2026 |  |
| altrove AI | Altrove builds better alternatives to materials that are critical, but insecure. Using the latest advances in AI models and lab automation, altrove designs and builds alternatives to materials we need to reach Net Zero, but for which supply can't meet demand. | $10M | Seed | Oct 31, 2025 |  |
| Grâce | Grâce offers innovative insurance solutions to enhance customer experience and improve process efficiency. | $6.5M | Seed | Apr 03, 2025 |  |
| altrove AI | Altrove builds better alternatives to materials that are critical, but insecure. Using the latest advances in AI models and lab automation, altrove designs and builds alternatives to materials we need to reach Net Zero, but for which supply can't meet demand. | $4M | Pre-Seed | Jul 03, 2024 |  |
| Callyope | Callyope is a human-centered technology that can enhance millions of people's lives by increasing the objectivity and responsiveness of brain health monitoring. Callyope develops solutions for remote patient monitoring that assist caregivers in identifying relapses and determining the best course of action. | $2.4M | Seed | Nov 22, 2023 |  |
| Osium AI | Osium AI revolutionize materials development cycles through AI-driven methodologies. | $2.6M | Seed | Nov 22, 2023 |  |
| Dioxycle | Dioxycle is develop electrolyser solutions for carbon dioxide emissions. |  | Seed | Jan 01, 2022 |  |
| Resilience | Resilience Care is building a software-based solution for cancer treatment providers and patients. By integrating a mobile application with a Remote Patient Monitoring platform, Resilience enhances care by personalizing, humanizing, and improving the care pathway. The mobile application aids individuals affected by cancer in managingtreatment-related side effects and promoting self-care. Simultaneously, the Remote Patient Monitoring platform, classified as a Class IIa medical device, allows healthcare professionals to better understand and improve patient care. | $6M | Seed | Mar 15, 2021 |  |
| Spot - justspot.io | Spot - justspot.io is an information technology & services company. |  | Seed | Mar 15, 2021 |  |
| Patch Biosciences | Patch Biosciences offers machine-designed DNA for gene therapy. They build a platform to engineer gene therapies that can address a broader range of diseases through large-scale DNA synthesis and machine learning. |  | Seed | Aug 01, 2020 |  |

10 of 10 investments shown.

## Co-investors
- [Contrarian Ventures](https://shizune.co/investors/profile/contrarian-ventures) — VC Fund, 2 deals together
- [Emblem](https://shizune.co/investors/profile/emblem-074a) — VC Fund, 2 deals together
- [Kima Ventures](https://shizune.co/investors/profile/kima-ventures) — VC Fund, 2 deals together
- [Sequoia Scout](https://shizune.co/investors/profile/sequoia-scout) — VC Fund, 2 deals together
- [Singular](https://shizune.co/investors/profile/singular-vc) — VC Fund, 2 deals together
- [360 Capital](https://shizune.co/investors/profile/360-capital-partners) — VC Fund, 1 deal together

## About Waiv

VC Fund · New York, United States

Owkin is a French-American startup that uses artificial intelligence to find the right treatment for every patient. Our focus is to use AI to discover and develop better treatments for unmet medical needs, starting with the fight against cancer.They use AI to identify new drug candidates, de-risk and accelerate clinical trials and builddiagnostic tools that improve patient outcomes. Using federated learning, a pioneering collaborative AI framework, Owkin enables medical and biopharma partners to unlock valuable insights from siloed datasets, while protecting patient privacy and securing proprietary data. Owkin was co-founded by Thomas Clozel MD, a clinical research doctor and former assistant professor in clinical onco-hematology, and Gilles Wainrib, a pioneer in the field of machine learning in biology, in 2016.Owkin has raised over $255 million and became a ‘unicorn’ – a startup valued at more than $1 billion – in November 2021 through a $180 million investment from French biopharma company Sanofi.

5 contacts available at Waiv.

| Name | Title | Profile |
| --- | --- | --- |
| Darius Meadon | Chief Marketing Officer | https://shizune.co/investors/profile/darius-meadon |
| Jean-Eudes Le Douget | Senior Data Scientist | https://shizune.co/investors/profile/jean-eudes-le-douget |
| Jeremy Guillon | Machine Learning Engineer | https://shizune.co/investors/profile/jeremy-guillon |
| Pierre Courtiol | Chief Data Scientist | https://shizune.co/investors/profile/pierre-courtiol |
| Thomas Clozel | Co-Founder & CEO | https://shizune.co/investors/profile/thomas-clozel-2 |

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## FAQ

### What does Thomas Clozel invest in?

Thomas Clozel invests primarily in Software, Artificial Intelligence and Apps startups, most often at Seed and Pre-Seed stage. Most of the 10 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Thomas Clozel's check size?

Thomas Clozel typically joins rounds of $2.4M–$10M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Thomas Clozel participates in.

### When did Thomas Clozel last invest?

The most recent investment recorded for Thomas Clozel closed in Apr 2026. Shizune tracks 10 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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