Fundraising Fox
The Y Combinator Mafia
10,678 people came through Y Combinator and went on to found or lead other companies.
Kunaal SikkaYC Winter 2025Founded SubImageOwen BrakeYC Winter 2025Founded SteinmetzEthan ChilderhoseYC Winter 2025Founded SteinmetzWilliam SalcedoYC Spring 2025Founded PartclVamshi BalanagaYC Spring 2025Founded PartclHenry ZhangYC Winter 2025Founded AxiomPreston EllisYC Winter 2025Founded AxiomBach TranBuilding OrchidsFounded BudIvan AvanesovYC Winter 2025Founded Splash Inc.Marcell VeszpremiYC Winter 2025Founded Splash Inc.Archit MehtaYC Winter 2025Founded StampKim RantsW25Founded Alice.techThomas MinassianW25 BatchFounded .WavePaul-Henri BiojoutW25Founded .WaveThibault HenrietYC Winter 2025Founded awenHugo MarklandYC Winter 2025Founded KarooJeanot DawsonYC Winter 2025Founded KarooOliver LambsonYC Winter 2025Founded KarooRohun AtiYC Winter 2025Founded DartboardAlex FusterYC Winter 2025Founded AstroBrogan McPartlandYC Winter 2025Founded Vocality HealthAdhityaa ChandrasekarYC Winter 2025Founded SubtraceSachin SridharYC Winter 2025Founded SubtracePrithvi RamakrishnanYC Winter 2025Founded PromptlessFrances LiuYC Winter 2025Founded PromptlessGilad LevyYC Winter 2025Founded ClosureMatan GoldnerW25Founded ConntourTomer KullaYC Winter 2025Founded ConntourAdina GoerresW25Founded superglueStefan FaistenauerYC Winter 2025Founded superglueShaunak SrivastavaWinter 2025Founded DextoRahul KarajgikarYC Winter 2025Founded DextoAndrew MaloufW25Founded OvloAmer EidYC Winter 2025Founded OvloArya MarwahaYC Winter 2025Founded ContrarioAditya SoodYC Winter 2025Founded ContrarioMatthew TangYC Winter 2025Founded SublingualDylan BowmanYC Winter 2025Founded SublingualAlan WellsYC Winter 2025Founded RocketableJohnny ChenFounderFounded Toothy AIMatt KerriganYC Winter 2025Founded Toothy AITejas KonduruYC Winter 2025Founded Toothy AIKashyab AmbaraniYC Winter 2025Founded VerbiflowRishi MahadevanYC Winter 2025Founded VerbiflowPennie HuangW25Founded A1Zap by A1BaseMo NasirYC Winter 2025Founded AltrinaHarvey HuW25Founded AltrinaSeth SetseYC W25Founded a0.devAyomide OmolewaYC Winter 2025Founded a0.devJustin CohenYC Winter 2025Founded Maritime FusionJason KaufmannBS in Elevator Pitches (Mostly the other kind of BS)Founded Maritime FusionPushkar LankaW25Founded TravaEthan HiltonW25Founded Caseflood.aiTolen SchreidYC Winter 2025Founded Caseflood.aiDavid TondreauW25 BatchFounded LadderWill CrayYC Winter 2025Founded LadderBen Rhodes-KropfYC Winter 2025Founded SalesPatriotMaciej SzymczykYC Winter 2025Founded SalesPatriotAlex DoonancoW25 BatchFounded careCycleEvan RoubekasW25Founded careCycleRohan KarthikYC Winter 2025Founded Inversion SemiconductorDaniel VegaW25Founded Inversion SemiconductorZach DiveYC Winter 2025Founded AdamAaron LiYC Winter 2025Founded AdamAdam BowenW25Founded TergleEmanuel GordisW25Founded TrimYos WagenmansYC Winter 2025Founded Amby HealthTimmy DangYC Winter 2025Founded Amby HealthAreg NzsdejanYC Winter 2025Founded CardamonDmytro AstakhovWinter 25 batch. World's most prestigious startup investor. Acceptance rate < 1%Founded CardamonKashyap AcharW25Founded BezelGhita Houir AlamiW25Founded ZeroEntropyNicholas PipitoneYC Winter 2025Founded ZeroEntropyLuofei ChenW25Founded OkiAayush TyagiYC Winter 2025Founded OkiSoroush SaryazdiYC Winter 2025Founded SwerveJason ZhouW25Founded SwerveRam GorthiYC Winter 2025Founded OperandAkhil IyengarYC Winter 2025Founded OperandJosh SabolYC Winter 2025Founded HealthKeyMax BohunYC Winter 2025Founded 10xAhmed AbdulaalW25 - Make something people want.Founded Mecha HealthHugo FryYC Winter 2025Founded Mecha HealthAyodeji IjishakinYC Winter 2025Founded Mecha HealthNina Montaña BrownYC Winter 2025Founded Mecha HealthYong Hee LeeW25Founded Cuckoo LabsGunwoo KimW25Founded Cuckoo LabsEdward HuangYC Winter 2025Founded FinbarRobin GanYC Winter 2025Founded FinbarJay RamYC Winter 2025Founded HUDLorenss MartinsonsYC Winter 2025Founded HUDBardia SafariW25Founded OliveShrey GuptaW25Founded OlivePete StevensonYC Winter 2025Founded PAX MarketsBenjamin KilimnikYC Winter 2025Founded PAX MarketsJosh KellyW25Founded Pave Robotics
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 SubImage, Steinmetz, Partcl, Axiom, Bud.
- Who is in the Y Combinator mafia?
- Notable members include Kunaal Sikka (SubImage), Owen Brake (Steinmetz), Ethan Childerhose (Steinmetz), William Salcedo (Partcl), Vamshi Balanaga (Partcl), Henry Zhang (Axiom), Preston Ellis (Axiom), Bach Tran (Bud), among 10,678 tracked members.
- What companies did Y Combinator alumni found?
- Companies founded by Y Combinator alumni include SubImage, Steinmetz, Partcl, Axiom, Bud, Splash Inc., Stamp, Alice.tech, .Wave, awen.