Find your path to Sébastien
201 people in our graph share verified history with Sébastien — schools, employers, funds. One of them is your warm intro.
Kevin ThauunlockedSébastien: together at Twitter (2014)
×2Sébastien: together at Elaia
×8Sébastien: together at Twitter
Sébastien: together at Moments Lab
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
Skills & more
Large Language Models (LLM)SaaSEnterprise Content ManagementBoard AdministrationInsuranceLakehouseRetrieval-Augmented Generation (RAG)Apache SparkSoftware as a Service (SaaS)Artificial Intelligence (AI)Mergers & Acquisitions (M&A)Entrepreneurship58
+8 more
Start-upsManagementProduct ManagementBusiness StrategyStrategyEnterprise SoftwareDigital StrategyEntrepreneurial ExperienceLanguages English · French
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
Arthur Liabastre
Senior Finance Officer at Elaia
Arturo Ancira García
Associate at Elaia
Camille Hamon
Finance Team Manager at Elaia
Celine Passedouet
Investment Director at Elaia
Frequently asked questions
- Who is Sébastien Lefebvre?
- 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.
- 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.
- Where did Sébastien Lefebvre go to school?
- Sébastien Lefebvre studied at Ecole Supérieure des Sciences et Technologies de l'Ingénieur de Nancy (MSCS / Master 2, Computer Science, Networks, General Engineering).
Shared employers
Also worked at Elaia45
Sofia DahouneInvestor at DaphniLoubaba El AyoubiInvestor at NorthzonePhilippe GirePartner at ElaiaXavier LazarusManaging Partner at ElaiaSamantha JérusalmyPartner at ElaiaPauline RouxManaging Partner at Elaia
+ 39 more
