Find your path to Julien
725 people in our graph share verified history with Julien — schools, employers, funds. One of them is your warm intro.
Sofia DolfeunlockedJulien: together at Parthenon (2016–2017)
Julien: together at CentraleSupélec
Julien: together at ESSEC Business School
Julien: together at Cubyn
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 mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
CentraleSupélec mafia94
Also came through, then founded or led a company.
Olivier PomelFounded DatadogAlexis Le-QuocBachelor + MasterFounded DatadogJean-Baptiste KempfITFounded Kyber +2Lorenz NeunerDiplôme d'IngénieurFounded TradeLink +1Adrien GuenardDiplôme d'ingénieurFounded VoltaBack +1Ben CeraBachelor's degreeFounded Gift Shop +1
+ 87 more
ESSEC Business School mafia63
Also came through, then founded or led a company.
Mario KohleBWLFounded Enpal +1Hugo FacchinMaster in Entrepreneurship - BBA in International BusinessFounded Cuure +1Frederic CourtLeading French Business SchoolFounded Felix CapitalQuentin GazayGrande Ecole - Master in Management (MiM)Founded SpacefillOlivier LaplaceAdvanced Master Degree (Hons)Founded Founders PledgeBruno RaillardMSFounded Frst
+ 56 more
emlyon business school mafia30
Also came through, then founded or led a company.
Nicolas JuliaMsc in ManagementFounded SorareBenoit LemaignanMOOCFounded Waga Energy +2Miguel Santo AmaroMaster's degreeFounded Coverflex +1Lionel MoraMsc. in Management (Top 10 Financial Times 24)Founded Neoplants +1Laetitia AndracMaster of Science (M.Sc.)Founded Understanding Zoe +1Paul-Louis BisbarreProgramme Grande EcoleFounded Boks
+ 23 more
Le Wagon mafia29
Also came through, then founded or led a company.
Nicolas SchweitzerFullStack development programFounded Inclusio +1Hans KayaertFullStack DeveloperFounded LoctaxChris KyrasWeb devFounded matagoraJonathan ParisotFullStack DeveloperFounded ActiondeskJean-Edern LorillonComputer Science - Web developmentFounded PaletteHQJeroen RuttenComputer ProgrammingFounded Tablevibe
+ 22 more
Same school
Also attended ESSEC Business School312
Julian LuttermanInvestor at DN CapitalJonas SimoninInvestor at DaphniMarie FerriInvestor at DaphniPierre GalletInvestor at DaphniSauvanne Saint-LégerInvestor at DaphniSofia DahouneInvestor at Daphni
+ 306 more
Also attended CentraleSupélec214
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
+ 208 more
Also attended IQS Barcelona13
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
+ 7 more
Also attended Lund University School of Economics and Management49
Alexander Fred-OjalaInvestor at EQT VenturesVilton BastiampillaiAssociate – Equity Capital Markets at ScietyJohan ÅkessonInvestment Associate at NordicNinjaClara NorgrenInvestor at IndustrifondenManfred von RichthofenInvestor at Almi InvestLoh Jia YiManager at SGInnovate
+ 43 more
