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Alex LeBrun

Unicorn founder

Founder at AMI Labs · Founder at Nabla

Paris, Île-de-France, France

FoundedAMI Labs$4.5BNabla

Find your path to Alex

587 people in our graph share verified history with Alex — schools, employers, funds. One of them is your warm intro.

Pascal Levy-GarbouaunlockedAlex: together at VirtuOz (Acquired by Nuance Communications) (2003–2008)
Alex: together at VirtuOz (Acquired by Nuance Communications)
×5Alex: together at Nabla
×5Alex: together at Nuance Communications

About

He previously cofounded and led Nabla, where he remains chairman and chief AI officer, and before that worked in engineering at Facebook AI Research after Facebook acquired Wit.ai, the conversational AI startup he cofounded and ran. Earlier, he founded and led VirtuOz until its acquisition by Nuance Communications, where he served as VP of special projects, and cofounded the digital agency Asiance.

Founder at Nabla

Intro paths

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In turn, Alex can intro founders to Nabla's investors below.

Nabla's investors · 6

Cathay InnovationParis · $5M – $40M checks · since 2024DST GlobalGeorge Town, Grand Cayman · $100K – $200M checks · since 2025firstminute capitalLondon · $1.3M – $3.8M checksHighland EuropeLondon · $10.8M – $54M checks · since 2025HV CapitalMunich, Bavaria · $540K – $54M checks · since 2025KfundMadrid · $108K – $10.8M checks

Co-founders at Nabla

MRMartin Raison
Martin RaisonCo-founder & CTO
ALAlexandre LeBrun
Alexandre LeBrunCo-founder, Executive Chairman & Chief AI Scientist
DG
Delphine GrollCo-founder & COO

Co-founder, Executive Chairman & Chief AI Scientist at Nabla

Intro paths

→

In turn, Alex can intro founders to Nabla's investors below.

Nabla's investors · 6

Cathay InnovationParis · $5M – $40M checks · since 2024DST GlobalGeorge Town, Grand Cayman · $100K – $200M checks · since 2025firstminute capitalLondon · $1.3M – $3.8M checksHighland EuropeLondon · $10.8M – $54M checks · since 2025HV CapitalMunich, Bavaria · $540K – $54M checks · since 2025KfundMadrid · $108K – $10.8M checks

Co-founders at Nabla

ALAlex LeBrun
Alex LeBrunFounder
MRMartin Raison
Martin RaisonCo-founder & CTO
DG
Delphine GrollCo-founder & COO

Founder at AMI Labs

Intro paths

→

In turn, Alex can intro founders to AMI Labs's investors below.

AMI Labs's investors · 34

Aglae VenturesParis · $108K – $5.4M checksAlpha Intelligence CapitalSan FranciscoAlpha Square GroupNew YorkAvenir Growth CapitalNew YorkBerliner Volksbank VenturesBerlin · $550K – $2.8M checksBitkraft Esports VenturesSan Francisco · $100K – $5M checksC4 VenturesParis · $500K – $10M checksDaphniParis · $540K – $6.5M checksExpeditionsWarsawfirstminute capitalLondon · $1.3M – $3.8M checksGreycroftNew York · $100K – $5M checksGreycroft PartnersNew YorkHiro CapitalLondonHV CapitalMunich, Bavaria · $540K – $54M checksInception Fund$110K – $1.1M checksLG Technology VenturesSanta ClaraNextGen Venture PartnersSan Francisco · $500K – $2M checksNVIDIASanta ClaraObvious VenturesSan Francisco · $250K – $6M checksOpera Tech VenturesParis · $3.2M – $16M checksOVNI CapitalSan Francisco · $250K – $2M checksQuest Venture PartnersMenlo Park · $100K – $1.5M checksRedstoneBerlin · $500K – $2.5M checksScrum VenturesSan FranciscoSerenaParis · $108K – $16.2M checksShorooq PartnersAbu Dhabi · $750K – $33M checksSquareOne CapitalMiamiTane Fund$300K – $3M checksThe Venture Reality FundRedwood City · $100K – $500K checksTMVNew York · $1.5M checksUnion Tech VenturesTel AvivWhite Star CapitalLondon · $500K – $7M checksWingPalo Alto · $200K – $20M checksYadayParis

Co-founders at AMI Labs

YLYann LeCun
Yann LeCunFounder
LSLaurent Solly
Laurent SollyFounder
MRMichael Rabbat
Michael RabbatFounder
PFPascale Fung
Pascale FungFounder
SXSaining Xie
Saining XieFounder
ML
Min Lin

Experience

  1. AMI - Advanced Machine IntelligenceCofounder & CEOcurrent2026 — presentParis, NYC, Montreal, Singapore
  2. NablaCofounder, Chairman & Chief AI Officercurrent2026 — presentParis, NYC
  3. NablaCofounder & CEO2018 — 2026Greater Paris Metropolitan Region
  4. FacebookEngineering, Facebook Artificial Intelligence Research (FAIR)2015 — 2018Menlo Park
  5. Wit.ai (acquired by Facebook)Cofounder & CEO2013 — 2015San Francisco Bay Area
  6. AsianceCofounder & Director of the Board2004 — 2014Seoul, Korea
  7. Nuance CommunicationsVP, Special Projects2013Sunnyvale, CA
  8. VirtuOz (Acquired by Nuance Communications)Founder and CEO2002 — 2012San Francisco Bay Area
  9. KDSProduct & Business Development1999 — 2001

Skills & more

Product Development4Product Management21Machine Learning55Natural Language Processing43Artificial Intelligence34Big Data22C++6Linux10Go (Google Language)2Java11HTML 54JavaScript9
+8 moreRubyProduct DesignHuman Computer InteractionClojureAlgorithmsSoftware DevelopmentRuby on RailsStart-ups

Languages Chinese · English · French · German

From Alex's professional profile.

Frequently asked questions

Who is Alex LeBrun?
He previously cofounded and led Nabla, where he remains chairman and chief AI officer, and before that worked in engineering at Facebook AI Research after Facebook acquired Wit.ai, the conversational AI startup he cofounded and ran. Earlier, he founded and led VirtuOz until its acquisition by Nuance Communications, where he served as VP of special projects, and cofounded the digital agency Asiance.
Where does Alex LeBrun work?
Alex LeBrun is Founder of AMI Labs and Founder at Nabla and Co-founder, Executive Chairman & Chief AI Scientist at Nabla.
What companies did Alex LeBrun found?
Alex LeBrun founded AMI Labs, Nabla.
Where did Alex LeBrun go to school?
Alex LeBrun studied at École Polytechnique (BS, Computer Science); Télécom Paris (MSEE, Software Engineering, Cognitive Sciences); Y Combinator W14 (Disciple of Paul Graham).

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