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The Y Combinator Mafia
10,678 people came through Y Combinator and went on to found or lead other companies.
Ben KatzYC Fall 2024Founded HYBRDMatt RuitersYC Fall 2024Founded HYBRDCaroline "Shoe" ShoemakerF24Founded HYBRDMats TerwieschYC Fall 2024Founded HYBRDGray NewfieldYC Fall 2024Founded CharmNoah NewfieldYC Fall 2024Founded CharmKeller MaloneyYC Fall 2024Founded UnusualAlexander SporenbergYC Fall 2024Founded Beglaubigt.deJialiang (JZ) ZhouYC Fall 2024Founded StewdioBlake ShaoYC Fall 2024Founded StewdioStephanie YoungYC Fall 2024Founded Pearson LabsVictor ChengF24Founded vly.aiAbhilash ChowdharyF24 BatchFounded CrustdataManmohit GrewalF24Founded CrustdataMadhav SinghalYC Fall 2024Founded AutoComputerKe HuangYC Fall 2024Founded AbundantGanesh PimpaleYC Fall 2024Founded ChicoryHarsha GundalaYC Fall 2024Founded ChicoryBella WuF24Founded DexterVincent GarriguesYC Fall 2024Founded DexterCaterina KiehntopfFall 2024Founded DexterKieran WhiteF24 BatchFounded CuroAyush RodriguesYC Summer 2025Founded AutumnJohn YeoF24Founded AutumnJeevan JutlaYC Fall 2024Founded Gecko SecurityArtemiy MalyshauF24Founded Gecko SecurityArvind VeluvaliYC Fall 2024Founded FrescoFinn MalleryYC Fall 2024Founded OrigamiKenson ChungF24Founded OrigamiEric MagliarditiYC Fall 2024Founded ConsusNalin SemwalYC Fall 2024Founded CapyJustin SunF24Founded CapyAxel PeytavinYC Fall 2024Founded InnateVignesh AnandYC Fall 2024Founded InnateArjan GuglaniYC Fall 2024Founded GanderChristopher SchlaepferYC Fall 2024Founded KilvinJorrie BrettinYC Fall 2024Founded KilvinKonstantin PaulusYC Fall 2024Founded Diffusion StudioMartin DimitrovF24Founded MetreecsElie DufeuYC Fall 2024Founded MetreecsThibaut PellegrinYC F24Founded MetreecsMax NuyenYC Fall 2024Founded ThornwickBenjamin McKinzeyF24Founded ThornwickWilliam MengYC Fall 2024Founded ArchiLabsStephen WalterYC Fall 2024Founded SunsetKaela WorthenYC Fall 2024Founded SunsetDennis BeattyYC Fall 2024Founded SurgeBrett BeattyYC Fall 2024Founded SurgeNabil BelahouaneF24Founded FutureClinicHassan MirzaF24Founded FutureClinicUsama SyedYC Fall 2024Founded FutureClinicYash KadadiYC Fall 2024Founded ForerunnerWill NidaYC Fall 2024Founded ForerunnerManil LakabiYC Fall 2024Founded x1Ashwin DharneF24Founded MelderPhilip BrewerYC Fall 2024Founded MelderAlbert LamFall 2024Founded RyvnShardool PatelF24 BatchFounded RyvnBharath BhatYC Fall 2024Founded Relvy AISimranjit SinghYC Fall 2024Founded Relvy AICharlene WangYC Fall 2024Founded EmberEssam SleimanF24Founded CanvasHuzaifa SialYC Fall 2024Founded CareforceJosh PurtellYC Fall 2024Founded SynthCollin BarnwellFounderFounded Roundabout TechnologiesSabeek PradhanFounderFounded Roundabout TechnologiesLucas CrupiYC Fall 2024Founded LoomboticEthan BreitYC Fall 2024Founded LoomboticOnkar BatraYC Fall 2024Founded ApolinkAkkshay KhoslaaYC Fall 2024Founded Asha HealthGokul KumarresenYC Fall 2024Founded Asha HealthSarthak SrinivasYC Winter 2025Founded QuantstructNewman HuYC Winter 2025Founded QuantstructDaniel GibbonW25Founded EdexiaNathan WangWinter 2025Founded EdexiaEric ButtonYC Winter 2025Founded Enhanced RadarKristian GaylordYC Winter 2025Founded Enhanced RadarAarush KukrejaYC Spring 2025Founded AviroAyush KarupakulaYC Spring 2025Founded AviroRupesh JeyaramYC Winter 2025Founded Revise RoboticsAntonio MonrealYC Winter 2025Founded Revise RoboticsRoop PalYC Winter 2025Founded Bild AIPuneet SukhijaYC Winter 2025Founded Bild AIArman KarégarYC Winter 2025Founded VetnioMax Henry XieW25Founded VetnioArkadiy TeleginYC Winter 2025Founded Leaping AIEylon MizYC Winter 2025Founded FlowtelJason MadeanoYC Winter 2025Founded Tweeks.ioMatt StalloneYC Winter 2025Founded Tweeks.ioSovann LindenYC Winter 2025Founded Excellence LearningAlexis BonnafontYC Winter 2025Founded Excellence LearningMattia MauroYC Winter 2025Founded Excellence LearningRichie HsiungYC Winter 2025Founded PraximChristopher GrittnerW25Founded Hey TeloDaniel GrittnerW25Founded Hey TeloAlex ChantavyYC Winter 2025Founded SubImage
Frequently asked questions
- What is the Y Combinator mafia?
- The Y Combinator mafia is the network of 10,678 people who came through Y Combinator and went on to found or lead other companies, including HYBRD, Charm, Unusual, Beglaubigt.de, Stewdio.
- Who is in the Y Combinator mafia?
- Notable members include Ben Katz (HYBRD), Matt Ruiters (HYBRD), Caroline "Shoe" Shoemaker (HYBRD), Mats Terwiesch (HYBRD), Gray Newfield (Charm), Noah Newfield (Charm), Keller Maloney (Unusual), Alexander Sporenberg (Beglaubigt.de), among 10,678 tracked members.
- What companies did Y Combinator alumni found?
- Companies founded by Y Combinator alumni include HYBRD, Charm, Unusual, Beglaubigt.de, Stewdio, Pearson Labs, vly.ai, Crustdata, AutoComputer, Abundant.