About
Sébastien Lefebvre, founder of Mesagraph (acquired by Twitter) and former EMEA growth lead at Twitter/X, brings hands-on experience scaling consumer and data products and focuses on AI-native companies.
Invests in
AI & Machine LearningCybersecurityDeep TechHardwareHealthtechSaaS
Experience
- ElaiaPartnercurrent2022 — presentBarcelona, Catalonia, Spain
- ElaiaVenture Partner2020 — 2022
- VertesiaBoard Membercurrent2024 — presentUnited States
- ContinuityBoard Membercurrent2021 — presentParis, Île-de-France, France
- Moments Lab (ex Newsbridge)Board Membercurrent2022 — presentParis, Île-de-France, France
- QbeastBoard Membercurrent2022 — presentBarcelona, Catalonia, Spain
- Zymvol BiomodelingBoard Membercurrent2023 — presentBarcelona, Catalonia, Spain
- GiskardInvestorcurrent2022 — presentParis, Île-de-France, France
- Nuclia • AI SearchBoard Member (acquired by NASDAQ:PRGS)2022 — 2025Barcelona, Catalonia, Spain
- ASICS CorporationEntrepreneur In Residence2018 — 2020Barcelona Area, Spain
- TwitterDirector of Growth - EMEA2015 — 2016London Area, United Kingdom
- TwitterDirector, Growth Operations and Finance2014 — 2015London, United Kingdom
- Mesagraph - acquired by TwitterCEO and Founder2010 — 2014Greater Paris Metropolitan Region
- Mandriva (formerly MandrakeSoft)VP Enterprise Products & Services2007 — 2009Paris Area, France
- Mandriva (formerly MandrakeSoft)CTO2004 — 2007Metz Area, France
- Sirius Technologies - acquired by LinboxFounder and CEO2002 — 2004Metz Area, France
- VidéotronArchitect IP Networks1999 — 2001Montreal, Canada Area
Education
- Ecole Supérieure des Sciences et Technologies de l'Ingénieur de NancyMSCS / Master 2, Computer Science, Networks, General Engineering1993 — 1999
Skills & more
Large Language Models (LLM)Enterprise Content ManagementBoard AdministrationInsuranceApache SparkArtificial Intelligence (AI)Mergers & Acquisitions (M&A)Entrepreneurship59Start-ups37Product Management26Business Strategy18Digital Strategy7
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Entrepreneurial ExperienceAPIsBusiness DevelopmentBusiness ManagementVenture CapitalDigital MarketingStrategic PartnershipsRaising Venture CapitalManagementStrategySaaSLakehouseLanguages English · French · German · Spanish
From Sébastien's professional profile.
Colleagues at Elaia
Alexis Frentz
Investment Director at Elaia
Anne Bouverot
Independent Board Member at Elaia
Anne-Sophie Carrese
Managing Partner at Elaia
Anya Brochier
Marketing & Communications Senior Associate at Elaia
Armelle de Tinguy
Partner at 115K
Arthur Liabastre
Senior Finance Officer at Elaia
Arturo Ancira García
Associate at Elaia
Benoit Georis
Venture Partner at Elaia
Frequently asked questions
- Where does Sébastien Lefebvre work?
- Sébastien Lefebvre is Partner at Elaia.
- What does Sébastien Lefebvre invest in?
- Sébastien Lefebvre invests in AI & Machine Learning, Cybersecurity, Deep Tech, Hardware, Healthtech, SaaS.
Shared employers
Also worked at Elaia44
Sofia DahouneInvestor at DaphniLoubaba El AyoubiInvestor at NorthzonePhilippe GirePartner at ElaiaXavier LazarusManaging Partner at ElaiaSamantha JérusalmyPartner at ElaiaPauline RouxManaging Partner at Elaia
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