Fundraising Fox
The Y Combinator Mafia
10,678 people came through Y Combinator and went on to found or lead other companies.
Tyler MaYC Fall 2025Founded SellRazeGordy SunF25Founded LakoniaTejas AgarwalYC Fall 2025Founded AlderPankaj MishraYC Fall 2025Founded AlderRyan McCarrollYC Fall 2025Founded AnswerThisLuk KoskaYC Fall 2025Founded SF TensorTom KoskaYC Fall 2025Founded SF TensorAdnan AbbasYC Fall 2025Founded Unsiloed AIZhisen AnYC Fall 2025Founded Allus AIChris Kai CuiEntrepreneurship/Entrepreneurial StudiesFounded Allus AIShijie WangF25Founded Allus AIBilal AsmatullahYC Fall 2025Founded SciloopOsman SiddiqueYC Fall 2025Founded SciloopAbel JohnYC Fall 2025Founded LogosGuardSukrut OakYC Fall 2025Founded LogosGuardEric BerndtF25Founded TensrAdith SundramYC Summer 2026Founded TensrC.K. WolfeYC Summer 2026Founded TensrClarence ChenYC Winter 2026Founded TravoAlexander CalafiuraW26Founded TravoMichael DalvaYC Winter 2026Founded TravoAshwin SriramYC Winter 2026Founded TravoPaulina XuYC Winter 2026Founded Agentic FabriqMatthew XuYC Winter 2026Founded Agentic FabriqSam KaruYC Fall 2025Founded LogicalAnushka IdamekoralaYC Fall 2025Founded LogicalDan HanF25Founded Aleph LabJaihee KimYC Fall 2025Founded Aleph LabMilind SagaramYC Fall 2025Founded HelonicAnirudh PupnejaYC Fall 2025Founded RedaptoLewis PolanskyW26Founded CaptainEdgar BabajanyanYC Winter 2026Founded CaptainLi-Yao HuangYC Spring 2026Founded FinalDoseSteven LinYC Spring 2026Founded FinalDoseArnav JainYC Fall 2025Founded RovrYash JainYC Fall 2025Founded RovrNithik YekolluYC Fall 2025Founded RovrAnas BouassamiYC Fall 2025Founded BraviPierre-Habte NouvellonYC Fall 2025Founded BraviLeo SchuhmannF25Founded ComplyDoMoritz MoserF25Founded ComplyDoMatthias SchneiderYC Fall 2025Founded ComplyDoStefan SchaffF25 | Codyco | Partner: Andrew MiklasFounded CodycoEndrit BytyqiYC Fall 2025Founded CodycoAlexander SchoberYC Fall 2025Founded CodycoHarshit GargF25Founded LexiKiran MohanF25Founded LexiJonathan MirandaYC Fall 2025Founded CompyleMark NazzaroYC Fall 2025Founded CompylePaula GutierrezYC Fall 2025Founded SelfinJoel Tomas PimentelF25Founded SelfinMaximilian ThoelenFall 2025 batchFounded CaseyNico HänggiYC Fall 2025Founded CaseyPascal KüngYC Fall 2025Founded CaseyMelinda LiuYC Winter 2026Founded OxusChristine WattsYC Winter 2026Founded OxusQuentin Romero LauroYC Fall 2025Founded RadiusMichael KlikushinYC Fall 2025Founded RadiusKrish IyengarF25Founded Pixley AIPranit AgrawalYC Fall 2025Founded Pixley AILudovic GrangerYC Fall 2025Founded LeadbayMilan StankovicYC Fall 2025Founded LeadbayAngelica IacovelliFounder (YC F25)Founded NucleoLuca PegolottiFounder (YC F25)Founded NucleoAlex ToussaintYC Fall 2025Founded TornyolClovis PiedalluYC Fall 2025Founded TornyolShikhar BhushanF25Founded s2.devStephen BaloghF25Founded s2.devDwarak Govind ParthibanYC Fall 2025Founded s2.devAlexander StroeFall 25 BatchFounded Patent WatchAndreas StroeFall 25 BatchFounded Patent WatchArvid E. GollwitzerBuilding Anto BiosciencesFounded Anto BiosciencesDavid de GruijlYC Fall 2025Founded Anto BiosciencesSky YangF25Founded Imagine AINeo LeeDoctor of PhilosophyFounded Imagine AIRobin HortonYC Fall 2025Founded Expected ParrotJohn HortonYC Fall 2025Founded Expected ParrotDavid MaulickYC Fall 2025Founded Scott AIDevin CintronYC Fall 2025Founded Scott AIJun KimYC Fall 2025Founded AsideChanhee LeeF25Founded AsideSanghun LeeYC Fall 2025Founded AsideTheo KitsbergMaking something people wantFounded PrismWilliam FairbairnYC Fall 2025Founded ZalosHung HoangYC Fall 2025Founded ZalosMichael SukkariehYC Fall 2025Founded SourcebotBrendan KellamYC Fall 2025Founded SourcebotAlexandros PetkosPhilonFounded PhilonStefan KrugerYC Fall 2025Founded Lua Global IncPhilip BorgeYC Fall 2025Founded CrunchedLars Gjardar MusæusYC Fall 2025Founded CrunchedMichael SakowskiYC Fall 2025Founded CrunchedMarkus SkagemoYC Fall 2025Founded CrunchedChris FarestveitYC Fall 2025Founded RelawFabian LindforsYC Fall 2025Founded SpecificIman RadjaviF25Founded Specific
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 SellRaze, Lakonia, Alder, AnswerThis, SF Tensor.
- Who is in the Y Combinator mafia?
- Notable members include Tyler Ma (SellRaze), Gordy Sun (Lakonia), Tejas Agarwal (Alder), Pankaj Mishra (Alder), Ryan McCarroll (AnswerThis), Luk Koska (SF Tensor), Tom Koska (SF Tensor), Adnan Abbas (Unsiloed AI), among 10,678 tracked members.
- What companies did Y Combinator alumni found?
- Companies founded by Y Combinator alumni include SellRaze, Lakonia, Alder, AnswerThis, SF Tensor, Unsiloed AI, Allus AI, Sciloop, LogosGuard, Tensr.