About
Paul Sanglé-Ferrière is a three-time founder with prior experience as an ML engineer and product manager at Tessian.
Founder & CEO at cubicYC X25
Intro paths
YC
Paul went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran cubic's batch and knows the company first-hand. YC profile ↗
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In turn, Paul can intro founders to cubic's investors below.
Experience
- cubic (YC X25)Founder & CEOcurrent2025 — presentSan Francisco, California, United States
- WorkflowFounder2024 — 2025
- YelpLead Product Manager, Applied Machine Learning2022 — 2024London, England, United Kingdom
- MailWizFounder2022 — 2023
- TessianProduct Manager2020 — 2022London, England, United Kingdom
- TessianAssociate Product Manager2019 — 2020London, United Kingdom
- Climate DraftCo-Creator2021
- The Adecco GroupMachine Learning Engineer2017 — 2018Tokyo, Japan
Skills & more
TypeScript6Generative AI5JavaScript3Public Speaking10Machine Learning3Data Analysis3Product ManagementFinanceProject Management1Business IntelligencePublic Relations5Data Mining
+12 more
User Experience (UX)DesignEngineeringData ScienceDeep LearningPythonMicrosoft ExcelVisual Basic for Applications (VBA)TeamworkManagementLeadershipCommunicationLanguages English · French · German · Japanese · Spanish
From Paul's professional profile.
Frequently asked questions
- Who is Paul Sanglé-Ferrière?
- Paul Sanglé-Ferrière is a three-time founder with prior experience as an ML engineer and product manager at Tessian.
- Where does Paul Sanglé-Ferrière work?
- Paul Sanglé-Ferrière is Founder & CEO of cubic.
- What companies did Paul Sanglé-Ferrière found?
- Paul Sanglé-Ferrière founded cubic.
- Where did Paul Sanglé-Ferrière go to school?
- Paul Sanglé-Ferrière studied at Y Combinator; Sciences Po; Keio University.
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
Sciences Po mafia35
Also came through, then founded or led a company.
Alexandre AzoulayMaster in Applied Finance and EconomicsFounded Sghcapital +1David KleinPolitical ScienceFounded INSPECTORIOFabien MendezMaster's degree in Finance & StrategyFounded LoggiVirginie MorgonEconomics & FinanceFounded EurazeoFleur PellerinSection Service PublicFounded KorelyacapitalAndre de HaesPolitics and EconomicsFounded Backed
+ 28 more
Keio University mafia9
Also came through, then founded or led a company.
Katsuya HashizumeMaster of Media and Governance(Cyber Informatics)Founded FuturedmeEmi TakemuraBAFounded PeatixYoran BeisherStudy Abroad in TokyoFounded The ResidencyTaro FukuyamaFounded FondYoshi YokokawaFounded AlpacaShoya MatsumoriBachelor of Engineering - BEFounded Jinba
+ 2 more
Tessian mafia5
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended Sciences Po241
Martin MignotInvestor at Index VenturesSandra SchwarzerInvestor at Index VenturesSofia DolfeInvestor at Index VenturesErica DelamareInvestor at DaphniFrançois VéronGeneral Partner at Newfund CapitalHenri DeshaysGeneral Partner at Newfund Capital
+ 235 more
Also attended Keio University77
Hayata TokizawaVice President at Fin CapitalRina OkachiAssociate at Fin CapitalKay EnjojiSenior Advisor at Pangaea Ventures Us Inc.Tetsu NomuraPrincipal at Sozo VenturesBor BoerManaging Director at CapagroNatsuki TamuraInvestor at Inception Studio Capital
+ 71 more
Also attended Saint Jean de Passy9
Astrid Moullé-BerteauxInvestor at HeadlineViolette GuilbertRelations Investisseurs at Founders FutureConstantin de ChaudenaySenior Associate at AFI VenturesArthur MorisseauInvestment Director at EMZ PartnersAlban StievenartInvestor at Stievenart Capital PartnersJonathan CollInvestor at IDI Group
+ 3 more
Shared employers
Also worked at Yelp66
Peter FentonGeneral Partner at BenchmarkJeremy LevinePartner at Bessemer Venture PartnersLogan GreenCo-founder of LyftMax LevchinCo-founder of PayPal; founder, chairman & CEO of Affirm; partner at SciFi VCRobert TomkinsonSelf at Mucker CapitalTony WellsVenture Partner at Copper Sky Capital
+ 60 more
Also worked at Tessian15
Luciana LixandruPartner at Sequoia CapitalJamie MontgomeryCo-Founder & Managing Partner at March Capital PartnersTom SheridanVP on RTP Global's US teamPhilipp KobusManaging Partner at FraserSuranga ChandratillakePartner at Balderton CapitalScott SageCo-Founder and Partner at Crane Venture Partners
+ 9 more
Also worked at Climate Draft1
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Also worked at The Adecco Group14
Maxime WalterInvestment Director at CapagroKhandker AhamedDirector, Innovation Services at New York Life VenturesMaroussia HouimliPartner, CPO at OSS VenturesDavid HerranzPresident Southern Europe @ManpowerGroup at Taram CapitalSandy VenugopalChief Information Officer at CoreWeaveMónika KissHR manager at DBH Investment Zrt.
+ 8 more