About
General Partner at SOSV and founder and co-Managing Director of HAX. An experienced global deep tech investor (250+ investments) who serves as board member/advisor to startups including Formlabs, AngelList, Collaborate (acquired by Cisco), Hackster (acquired by Avnet), and Adore Me, and is a frequent speaker and writer on technology, robotics, health, and crowdfunding.
Cyr1l @cebersweiler
Why Victoria’s Secret Is Buying AdoreMe https://t.co/5eyA5FuA4p
Nov 2, 2022 · ♥ 3
Cyr1l @cebersweiler
At 65 inches and 8K, the world’s largest holographic display is here | TechCrunch https://t.co/LONIQrfTp5
Jun 7, 2022 · ♥ 1
Cyr1l @cebersweiler
Do you remember when you joined Twitter? I do! #MyTwitterAnniversary https://t.co/BjCf4YsQhK
Jan 5, 2022
Invests in
Climate TechDeep TechEnergyHardwareHealthtechRobotics
Experience
- SOSVGeneral Partnercurrent2010 — presentShenzhen, San Francisco Bay Area, Singapore
- RETVRNFounder / Managing Directorcurrent2024 — present
- HAXFounder / Managing Directorcurrent2011 — presentShenzhen, Bay Area
- TechCrunchContributorcurrent2012 — presentSan Francisco Bay Area
- Nanyang Technological University SingaporeUniversity Lecturercurrent2024 — presentSingapore
- SG Growth CapitalInvestment Panelcurrent2025 — presentSingapore
- LAB7Advisorcurrent2025 — present
- The Knowledge Society (TKS)Mentorcurrent2023 — presentToronto, Ontario, Canada
- Relocalisations.frAdvisorcurrent2021 — present
- LaPlaceKeynote Speaker, Moderator, Panelistcurrent2007 — presentSingapore
- SEEDS CapitalBoard Member2024 — 2025Singapore
- 500 StartupsMentor2010 — 2017
- TechStarsMentor2010 — 2016
- Orbit VenturesFounder & Managing Director2010 — 2014
- TBWA\E-GRAPHICS ChinaFounder & Managing Director2008 — 2010China
- TEQUILA / TBWA Advertising AgencyDirector2006 — 2008Tokyo, Japan
- Air France-KLM groupSales and Service Center Director2003 — 2006
- AdidasStore implementation Project Manager2003
- CarrefourE-commerce Project Manager2002 — 2003Beijing
Education
- Université de PoitiersBA, Business Law1998 — 2001
- IAE FRANCE - Écoles Universitaires de ManagementMaster, Commerce & International Management2001 — 2002
Skills & more
+12 more
Business PlanningProduct DevelopmentAngel InvestingMarketing StrategyOnline AdvertisingSEMBusiness ModelingMobile MarketingManagementStrategyLeadershipForesightLanguages Chinese · English · French · German · Japanese
- Mergers and Acquisitions — Columbia Business School
From Cyril's professional profile.
Same school
Also attended Université de Poitiers5
Also attended IAE FRANCE - Écoles Universitaires de Management6
Shared employers
Also worked at 500 Startups128
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+ 122 more
Deals · 2
Amber AgricultureBoard seat
via SOSV · filed Jul 2020 · $2.2M raise
Labrador SystemsBoard seat
via SOSV · filed Feb 2020 · $2.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at HAX
Network11
Investors connected to Cyril in public investor directories — a warm-intro map.