Fundraising Fox
The Y Combinator Mafia
10,678 people came through Y Combinator and went on to found or lead other companies.
Elyas ObbadYC Summer 2025Founded AlaraRishabh ChananaYC Summer 2026Founded OS3Chris HaileyS25Founded OS3Yujian YaoYC Summer 2025Founded FlootEdward LookYC Summer 2025Founded FlootIvan ChubYC Summer 2025Founded idlerNalu ConcepcionYC Summer 2025Founded idlerTony GossYC Summer 2025Founded idlerLeeds RisingS25 batchFounded MaximalDerek YeS25Founded MaximalWill WeberYC Summer 2025Founded HumoniqAmayr BabarS25Founded NautilusAli SareiniYC Summer 2025Founded NautilusAngel OnuohaYC Summer 2025Founded Avelis HealthAhmad ShehuYC Summer 2025Founded Avelis HealthZihao WangYC Summer 2025Founded PARES AIEytan RozenblumYC Spring 2026Founded ForesightAntoine BertrandYC Spring 2026Founded ForesightLuis OlaveAlumniFounded AlturPedro FernándezAlumni (S25)Founded AlturAlexander TalamontiS25Founded QuotainJason HeYC Summer 2025Founded QuotainAryan ShahS25Founded MetisAayush ShethYC Summer 2025Founded MetisMarcus YearwoodYC Summer 2025Founded MetisPaul ShinS25 BatchFounded F4 IndustriesAidan CantuYC Summer 2025Founded F4 IndustriesNathan BelayeYC Summer 2025Founded SiraAntonio ChanYC Summer 2025Founded SiraRishi SrihariYC Summer 2025Founded OpennoteAbhi AryaS25Founded OpennoteRohil KhareYC Summer 2025Founded SigmanticAITamzid RazzaqueYC Summer 2025Founded SigmanticAIAyaan ParikhYC Summer 2025Founded ConvexiaRahul VijayanYC Summer 2025Founded ConvexiaJames ChenYC Fall 2025Founded FernstoneBryant LeYC Fall 2025Founded FernstoneAlejandro SalinasYC Summer 2025Founded LocataJoshua ChangYC Summer 2025Founded LocataHaz HubbleS25Founded PallyWyatt LansfordYC Summer 2025Founded PallyAndrea PintoYC Summer 2025Founded NotteLucas GiordanoS25Founded NotteGurveer SinghS25Founded Certus AIAdam GamieldienYC S25Founded Certus AIIsaac NicholsYC Summer 2025Founded Certus AIJerry QianYC Summer 2025Founded ReacherBora MutluogluEntrepreneurship/Entrepreneurial StudiesFounded ReacherNoah YinYC Winter 2026Founded PollenAldrin OngYC Winter 2026Founded PollenJeffrey YumW26Founded PollenJohn FerraraYC Summer 2025Founded JuxtaChris NoletYC Winter 2026Founded Button ComputerJash MotaYC Summer 2025Founded Flywheel AIGlenn TöwsS25 Batch MemberFounded stagewiseJulian GoetzeYC Summer 2025Founded stagewiseSid RajaramS25Founded CLODORithvik ChuppalaS25Founded CLODOVeer JunejaYC Summer 2025Founded FleetlineThomas ShelleyYC Summer 2025Founded MagneticPatrick FayYC Summer 2025Founded MagneticEduard PiliposyanYC Summer 2025Founded ModelenceEshan DosaniYC Summer 2025Founded Perspectives HealthKyle JungYC Summer 2025Founded Perspectives HealthTaira FujiokaS25Founded SmartbaseBrenden Prins-McKinneyYC Summer 2025Founded DuraniumBerkley NobleYC Summer 2025Founded DuraniumNiosha AfsharikiaSummer 2025 CohortFounded TectoAIRoksana BaleshzarYC Summer 2025Founded TectoAIAlec OleskyYC Summer 2025Founded RowFlowJack BubesYC Summer 2025Founded RowFlowLuke ShielsYC Summer 2025Founded InterfereRaymond AllieYC Summer 2025Founded Spotlight RealtyJake PhelanSummer 2025 BatchFounded Spotlight RealtyAryan SharmaYC Summer 2025Founded Spotlight RealtyRithvik GabriYC Summer 2025Founded Bizzy AIAnsh ShethYC Summer 2025Founded Bizzy AITanner JonesYC Summer 2025Founded Vulcan TechnologiesAleksander MekhanikYC Summer 2025Founded Vulcan TechnologiesChris MingeS25Founded Vulcan TechnologiesWinston ChiYC Summer 2025Founded NOSO LABSAlex XiYC Summer 2025Founded NOSO LABSSaif ElhagerYC Summer 2025Founded SapienDavid SchlesingerYC Summer 2025Founded VeritusJoseph SteinYC Summer 2025Founded VeritusAlec HowardYC Summer 2025Founded RuvoMichael MasonYC Summer 2025Founded RuvoAbhay KalraYC Summer 2025Founded AventJoseph JacobYC Summer 2025Founded burntRhea KarimpanalYC Summer 2025Founded burntChandru ShanumugasundaramYC Summer 2025Founded burntTunga BayrakYC Summer 2025Founded FreyaTomas NepalaS25Founded FreyaJoe FiotiS25Founded LuminalMatthew GuntonYC Summer 2025Founded LuminalJake StevensS25Founded Luminal
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 Alara, OS3, Floot, idler, Maximal.
- Who is in the Y Combinator mafia?
- Notable members include Elyas Obbad (Alara), Rishabh Chanana (OS3), Chris Hailey (OS3), Yujian Yao (Floot), Edward Look (Floot), Ivan Chub (idler), Nalu Concepcion (idler), Tony Goss (idler), among 10,678 tracked members.
- What companies did Y Combinator alumni found?
- Companies founded by Y Combinator alumni include Alara, OS3, Floot, idler, Maximal, Humoniq, Nautilus, Avelis Health, PARES AI, Foresight.