# Sacha Loiseau

> Sacha Loiseau is a Series A investor at Mauna Kea Technologies backing Health Care. See 5 investments, check sizes, portfolio and contact details. Updated…

- Type: Angel Investor
- Fund: Mauna Kea Technologies
- Location: Paris, France
- Total investments: 5
- Last investment: Jan 2026
- Lead investor: 40%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sacha-loiseau-62143b3/
- X (Twitter): https://twitter.com/sachaloiseau
- Website: https://x.com/sachaloiseau
- Facebook: https://www.facebook.com/sacha.loiseau.12

Sacha Loiseau is a Series A investor at Mauna Kea Technologies in Paris focused on Health Care and Medical Device. Sacha Loiseau is based out of Paris, Ile-de-France, and is the Founder, CEO, and Chairman of the Board at Mauna Kea Technologies. Sacha previously served as a Board Member at Sonio. Sacha Loiseau attended Université de Paris. Sacha Loiseau has received Marius Lavet Prize "engineer and inventor" award.

## Contacts

5 contacts available for Sacha Loiseau: 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/sacha-loiseau?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $8.2M–$31M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 3 | 60% |
| Medical Device | 3 | 60% |
| Medical | 2 | 40% |
| Gaming | 1 | 20% |
| Life Science | 1 | 20% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 3 | 60% |
| Pre-Seed | 1 | 20% |
| Series B | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BrightHeart | BrightHeart is a medical technology startup that is developing artificial intelligence software to help diagnose congenital heart abnormalities in foetuses. | $12.8M | Series A | Jan 08, 2026 |  |
| Moon Surgical | MastOR is a medical device company developing a surgical robot for laparoscopy assistance. MastOR is an early-stage surgical robotics company whose laparoscopy assistance platform broadens access to minimally-invasive techniques for surgeons and optimizes resource utilization in the operating room. | $55.4M | Series B | May 17, 2023 |  |
| Moon Surgical | MastOR is a medical device company developing a surgical robot for laparoscopy assistance. MastOR is an early-stage surgical robotics company whose laparoscopy assistance platform broadens access to minimally-invasive techniques for surgeons and optimizes resource utilization in the operating room. | $31.3M | Series A | Jun 07, 2022 |  |
| Tilak Healthcare | Tilak is a unique videogame studio where like-minded & passionate people create fun mobile medical games to monitor patients with chronic diseases. | $8.2M | Series A | Oct 28, 2021 |  |
| AQEMIA | AQEMIA is a pharmatech company developing a drug discovery platform to discover new drugs for specific therapeutic targets. Its platform combines quantum-inspired physics and machine learning to scale the drug discovery process, generating a growing pipeline of new drug candidates. The company utilizes advanced techniques, including generative AIand atomic scale physics, to design novel drugs tailored for specific therapeutic targets. | $1.2M | Pre-Seed | Oct 17, 2019 |  |

5 of 5 investments shown.

## Co-investors
- [Sofinnova Partners](https://shizune.co/investors/profile/sofinnova-partners) — VC Fund, 6 deals together
- [Cathay Capital](https://shizune.co/investors/profile/cathaycapital) — VC Fund, 2 deals together
- [GT Healthcare Capital Partners](https://shizune.co/investors/profile/gt-healthcare-capital-partners) — VC Fund, 2 deals together
- [Johnson & Johnson Robotics and Digital Solutions](https://shizune.co/investors/profile/johnson-johnson-innovation) — VC Fund, 2 deals together
- [iBionext](https://shizune.co/investors/profile/ibionext-network) — VC Fund, 1 deal together
- [LIFT VALUE](https://shizune.co/investors/profile/lift-value) — VC Fund, 1 deal together

## About Mauna Kea Technologies

VC Fund · Paris, France

Mauna Kea Technologies is a global medical device company focused on eliminating uncertainties related to the diagnosis and treatment of cancer and other diseases thanks to real time in vivo microscopic visualization. The Company’s flagship product, Cellvizio®, has received clearance/approval for a wide range of applications in the UnitedStates and more than 40 countries around the World.

4 contacts available at Mauna Kea Technologies.

| Name | Title | Profile |
| --- | --- | --- |
| Sacha Loiseau | Founder and CEO | https://shizune.co/investors/profile/sacha-loiseau |
| Christophe Lamboeuf | Chief Financial Officer | — |
| Francois Lacombe | Chief Scientific Officer | — |
| Robert Gershon | Chief Executive Officer | — |

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## Featured in investor lists
- [Medical Device Angel Investors in France](https://shizune.co/investors/medical-device-angel-investors-france)
- [Medical Angel Investors in France](https://shizune.co/investors/medical-angel-investors-france)

## FAQ

### What does Sacha Loiseau invest in?

Sacha Loiseau invests primarily in Health Care, Medical Device and Medical startups, most often at Series A and Pre-Seed 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.

### What is Sacha Loiseau's check size?

Sacha Loiseau typically joins rounds of $8.2M–$31M 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 Sacha Loiseau participates in.

### How do I contact Sacha Loiseau?

Public channels for Sacha Loiseau include LinkedIn, X (Twitter) and the website linked on this profile. 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 Sacha Loiseau last invest?

The most recent investment recorded for Sacha Loiseau closed in Jan 2026. 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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