About
Julien Catonnet has background in corporate strategy before transitioning to software engineering. He is co-founder and CTO of Klaimee, which provides AI agent risk certification and liability coverage.
Co-founder & CTO at KlaimeeYC X26
Intro paths
YC
Julien went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Aaron Epstein, General Partner at Y Combinator — the partner who ran Klaimee's batch and knows the company first-hand. YC profile ↗
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In turn, Julien can intro founders to Klaimee's investors below.
Klaimee's investors · 1
Co-founders at Klaimee
IB
Ines BoutemadjaCo-Founder & CEO
Experience
- KlaimeeCo-Founder & CTOcurrent2026 — presentSan Francisco Bay Area
- Booking ShakeProduct Engineer2025 — 2026
- OmnipresentProduct Engineer2022 — 2025
- CubynSoftware Engineer2020 — 2022
- SimundiaSales Manager2019 — 2020Greater Paris Metropolitan Region
- EY-ParthenonStrategy Consultant2016 — 2019Greater Paris Metropolitan Region
- FerreroField Sales Manager assistant2014Brussels Metropolitan Area
- Le GALEC - E.LeclercPurchasing Manager assistant2013Greater Paris Metropolitan Region
- FOODS INTERNATIONAL SASCategory Manager assistant2011Greater Paris Metropolitan Region
Skills & more
Knowledge AcquisitionStratégie21Management10TeamworkConception web réactiveApplications webFront-end CodingFront-End DevelopmentTypeScriptSoftware DevelopmentAnalyse de marché20Stratégie commerciale29
+12 more
Étude de marchéBusiness DevelopmentSalesGestion de projetBusiness AnalyticsDéveloppement commercialStratégie marketingMarketingVenteMarketing StrategyProject ManagementBusiness StrategyLanguages Anglais · Chinois · Espagnol · Français
- TOEIC 965/990
- TOEFL 95/120
From Julien's professional profile.
Frequently asked questions
- Who is Julien Catonnet?
- Julien Catonnet has background in corporate strategy before transitioning to software engineering. He is co-founder and CTO of Klaimee, which provides AI agent risk certification and liability coverage.
- Where does Julien Catonnet work?
- Julien Catonnet is Co-founder & CTO of Klaimee.
- What companies did Julien Catonnet found?
- Julien Catonnet founded Klaimee.
- Where did Julien Catonnet go to school?
- Julien Catonnet studied at Y Combinator (Batch P26); ESSEC Business School (Bachelor of Business Administration (B.B.A.), Administration et gestion des affaires); Le Wagon (Full-Stack Web Developer, Computer Programming).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
CentraleSupélec mafia36
Also came through, then founded or led a company.
Olivier PomelFounded DatadogAlexis Le-QuocBachelor + MasterFounded DatadogLorenz NeunerDiplôme d'IngénieurFounded TradeLink +1Adrien GuenardDiplôme d'ingénieurFounded VoltaBack +1SC MoattiMSFounded Products That CountBernard LiautaudDiplôme d'IngénieurFounded Dashlane
+ 29 more
ESSEC Business School mafia25
Also came through, then founded or led a company.
Quentin GazayGrande Ecole - Master in Management (MiM)Founded SpacefillOlivier LaplaceAdvanced Master Degree (Hons)Founded Founders PledgeBruno RaillardMSFounded FrstFleur PellerinFounded KorelyacapitalArnaud Le RodallecMaster of Science in ManagementFounded FifteenLouis GrossetGrande EcoleFounded Electra
+ 18 more
Le Wagon mafia16
Also came through, then founded or led a company.
Chris KyrasWeb devFounded matagoraJonathan ParisotFullStack DeveloperFounded ActiondeskJean-Edern LorillonData Science & AIFounded PaletteHQJeroen RuttenComputer ProgrammingFounded TablevibeGuido CaldaraFullStack DeveloperFounded TablevibeAlexandre RoubaudFullStack DeveloperFounded Bitstack
+ 9 more
Same school
Also attended ESSEC Business School198
Julian LuttermanInvestor at DN CapitalJonas SimoninInvestor at DaphniMarie FerriInvestor at DaphniPierre GalletInvestor at DaphniSauvanne Saint-LégerInvestor at DaphniSofia DahouneInvestor at Daphni
+ 192 more
Also attended CentraleSupélec110
Olivier PomelCo-founder & CEO of DatadogAlexis Le-QuocCo-founder & CTO of DatadogPierre GalletInvestor at DaphniSalim HassadPartner at Newfund CapitalBenjamin AuschitzkyScaleup Success Manager at Partech VenturesBruno CrémelGeneral Partner at Partech Ventures
+ 104 more
Also attended IQS Barcelona11
Alba FernándezAnalyst at Inveready Technology Investment GroupMiguel SanzVenture Partner - Edtech & Healthtech at Encomenda VCIgnacio VilanaManager at Axon Partners GroupChristie CurrieSenior Associate at Tamarind HillCarlos AlonsoPartner at ARCHIMED JapanNicolas GöblerSenior Investment Consultant, Beteiligungsmanagement, M.Sc. at Liesner & Co. GmbH
+ 5 more
Also attended Lund University School of Economics and Management38
Vilton BastiampillaiAssociate – Equity Capital Markets at ScietyClara NorgrenInvestor at IndustrifondenManfred von RichthofenInvestor at Almi InvestLoh Jia YiManager at SGInnovateDesirée PetterssonImpact Operations Associate at SET VenturesFredrik ElamBoard Member at Eastate
+ 32 more
Shared employers
Also worked at Omnipresent5
Also worked at Cubyn3
Also worked at Simundia1
Also worked at Ferrero9
Elsa Backdahl NordenfalkSenior Director of Capital Formation at Pantera CapitalEdgar VillalbaHead of Accounting at NazcaLennieInvestor at Caesar VenturesAnthony JenkinsonPartner - Go to Market at The CraftoryMaurizio CorteseBusiness Development Director at Neva Sgr.Maurizio CalcopietroBusiness Angel at REDangels
+ 3 more