Cyril Ebersweiler
General Partner @ SOSV
San Francisco, United States
Cyril Ebersweiler is a seed investor at SOSV in San Francisco focused on Software and Hardware. Entrepreneur, venture capitalist. Cyril is a General Partner at SOSV and the founder/MD of HAX. He is a board member/advisor to a few startups including Formlabs, Collaborate (ACQ: CISCO), Hackster (ACQ: AVNET), Adoreme and Breather. He is one of the most experienced investor in the hardware space (260+) and has invested globally. Cyril wrote dozens of articles and publishes regularly on topics such as technology, robotics, health and crowdfunding, and has been featured in The Economist, Popular Mechanics, The New York Times, Bloomberg, Huffington Post, Wired, BBC and more.
- Total investments:
- 580
- Last investment:
- Lead investor:
- 33%
Last updated:
For AI agents: llms.txt
Industries Cyril Ebersweiler invests in
Stages Cyril Ebersweiler invests in
Countries Cyril Ebersweiler invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 47 (8%)
- Hardware 46 (8%)
- Robotics 42 (7%)
- Consumer Electronics 42 (7%)
- Health Care 38 (7%)
Stage
- Seed 177 (31%)
- Convertible Note 106 (18%)
- Pre-Seed 51 (9%)
- Series A 30 (5%)
- Venture - Series Unknown 26 (4%)
Country
- United States 132 (23%)
- Canada 23 (4%)
- China 17 (3%)
- United Kingdom 14 (2%)
- Singapore 10 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling. The company builds smart hardware and software for HVAC controls focused on efficiency, comfort, electrification, and smart grid integration. The company's products are sold through multiple channels including direct to consumer, HVACdistribution, and utilities. | $5.7M / Series B / Mar 31, 2026 | ||
| Looking Glass Factory is building the holographic future, starting with the Looking Glass, the world’s first desktop holographic display for 3D creators—no VR or AR headset required. The company was founded in 2015 and is headquartered in Brooklyn, New York with a wholly-owned subsidiary in Hong Kong. | Convertible Note / Mar 04, 2026 | ||
| ViaBot develops outdoor maintenance robots for commercial properties, including retail spaces, sports arenas, and corporate buildings. Primarily used for outdoor cleaning, the ViaBot One also features vision-based security to capture details like vehicle license platesViaBot was founded in 2016 by Gregg Ratanaphanyarat and Andre Ding and is basedin Santa Clara, California, United States. | Series A / Feb 17, 2026 | ||
| OpenTrons is a developer of a pipetting robot technology designed to automate experiments. The company's technology is automated laboratory equipment that automates experiments by using Python language, enabling scientific researchers to make the process faster and less tiresome. | $20.1M / Series D / Dec 05, 2025 | ||
| Backbar Solutions is an automated cocktail dispenser designed to provide stability in bars regardless of fluctuations in business. Designed with a bartender’s workflow in mind, our cocktail dispenser makes your bar more efficient from day one, so client can focus on giving the guests a great experience. It reduces the points of contact betweenbartenders and cocktails, so they can be sure the drinks they are serving are as safe as possible. | Convertible Note / Dec 01, 2025 | ||
| Vertiq offers high performance propulsion solutions for aerial vehicles. Its core product design consists of a lightweight, tightly integrated motor and ESC with an embedded position sensor. With position sensing and Vertiq’s sophisticated motor calibration and control software, vehicles experience significant performance advantages, such asincreased flight time, enhanced maneuverability, and high reliability. | Series C / Nov 18, 2025 | ||
| Leadoptik is a California-based company is currently operating in stealth mode. | $4.6M / Series A / Sep 02, 2025 | ||
| Amper enables manufacturers to always meet production targets and level-up operations using real-time visibility. With our powerful machine monitoring and analytics tools, teams can easily identify the root causes of issues and systematically unlock hidden capacity and production losses. Born on the shop floor, Amper is simple to use and takes onlyminutes to deploy on any kind of machine. We empower entire manufacturing teams - from operators to plant managers - with actionable data and intuitive software. Amper's vision is to create a FactoryOS to unleash the potential of every manufacturer and create world-class operations. Amper is headquartered in Chicago IL and was founded in 2016 by Akshat Thirani and Philip House. | Convertible Note / Aug 27, 2025 | ||
| ZiO Health is a biotechnology company that has developed proprietary pocket-sized technology, bringing laboratory testing to the point-of-care to improve patient outcomes. Using ZiO Health's proprietary biosensor technology & machine learning algorithms we combine real-time results with the patients unique profile to enhance patient care. | Convertible Note / Jun 25, 2025 | ||
| xRobotics has created an affordable pizza-making robot for the pizza restaurant industry. We have solved many of the most complex mechanical challenges and have created unique patented robotic solutions.Our team are professionals in robotics and industry leaders, who have worked for Tesla, General Electric, SpaceX, and Boeing, and who are thewinners of many robotics competitions.Automation and robots right now have a special role in warehouses and manufacturing processes, participating in almost 90% of all processes. Robotics have brought many benefits to these industries, and our mission is to bring the latest technology to the pizza restaurant industry and increase the levels of automation there.We came together to bring the latest unique technologies to the pizza restaurant industry and to make a more delicious, high-quality pizza that we really love. | $2.5M / Seed / Jun 09, 2025 | ||
| See all 580 investments → | |||
Co-Investors
About SOSV
SOSV offers pre-seed capital and follow-on financial support to startups focusing on deep technology and scientific innovation. Founders utilize purpose-built laboratory facilities and engineering spaces to accelerate product development and testing. The firm facilitates connections between entrepreneurs and a network of investors through structured matchmaking events and technology summits.
SOSV Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Arvind Gupta
General Partner
|
|||
Blaine Doyle
Mentor
|
|||
|
Cyril Ebersweiler
General Partner
|
|||
Deborah Zajac
General Partner
|
|||
Duncan Turner
General Partner
|
Access 48,091 investors
822 industries, 177 countries. Updated daily. Emails and phones included.
Browse database — It's Free!
Find investors for your startup
Search 48,091 investors by industry and country. Emails and phones included.
Similar Investors
Similar stage
Recommended lists
FAQ
What does Cyril Ebersweiler invest in?
Cyril Ebersweiler invests primarily in Software, Hardware and Robotics startups, most often at Seed and Convertible Note stage. Most of the 580 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Cyril Ebersweiler?
Public channels for Cyril Ebersweiler include LinkedIn and X (Twitter). 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 Cyril Ebersweiler last invest?
The most recent investment recorded for Cyril Ebersweiler closed in Mar 2026. Shizune tracks 580 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
Contact your first 100 investors today
Find who invests in your industry, stage, and country. Download investor list with emails in 5 minutes.
Find investors — It's Free!
Continue with Google
Continue with LinkedIn
