Fundraising Fox
The Y Combinator Mafia
10,678 people came through Y Combinator and went on to found or lead other companies.
Priyanka ShresthaX25Founded Galen AIThomas LiaoYC Spring 2025Founded neoncoralWilliam SunYC Spring 2025Founded AuctorMatthew BlackburnYC Spring 2025Founded AuctorArjun LalwaniSpring Batch (X25)Founded RaloHelly ShahYC Spring 2025Founded RaloDaniel SiryakovYC Spring 2025Founded AcoliteKevin TreehanYC Spring 2025Founded CapacitiveRohan RadhakeesoonYC Spring 2025Founded CapacitiveKevin CalcadoYC Spring 2025Founded Claim HealthJayen RamX25Founded Claim HealthShreyash NigamYC Spring 2025Founded FeynBhavnick MinhasSpring 25Founded FeynGeorge CurtisX25Founded HelixDBXavier CochranYC Spring 2025Founded HelixDBJannik GrothusenX25Founded The Robot Learning CompanyBrontë KolarYC Spring 2025Founded Zeon SystemsTahir D'MelloYC Spring 2025Founded Zeon SystemsRyan PrendergastP25Founded MethodLuca MartialYC Spring 2025Founded KaelioFernando YoungYC Spring 2025Founded BelugaJack SwisherYC Spring 2025Founded BelugaMarcus Storm-MollardYC Spring 2025Founded ClarmEmir KarabegYC Spring 2025Founded SimWaleed LatifYC Spring 2025Founded SimSiddhartha JavvajiYC Spring 2025Founded stratifyPratham HombalYC Spring 2025Founded stratifyAchyut Krishna ByanjankarYC Spring 2025Founded YouLearnDaniel MartinezX25Founded UnitsKevin BiYC Spring 2025Founded PercivalXavier (Tianhao) ChiX25Founded Mbodi AISebastian PeraltaYC Spring 2025Founded Mbodi AINicholas SleeperYC Spring 2025Founded Kirana AIPrateek PinisettiYC Spring 2025Founded Kirana AIXin DingYC Spring 2025Founded AttuneBrian KimYC Spring 2025Founded KestralBernard XieYC Spring 2025Founded KestralRohan VasishthX25Founded BluejayFaraz SiddiqiYC Spring 2025Founded BluejayBereket EngidaYC Spring 2025Founded Better AuthMax HoferX25Founded ParsewiseGreg CsegziYC Spring 2025Founded ParsewiseChristopher SettlesSpring 2025 (X25)Founded RefreshErik QuintanillaYC Spring 2025Founded RefreshGavin BainsX25Founded Paper InstrumentsJoseph BesgenX25Founded Paper InstrumentsTanya VermaX25Founded TinfoilJules DreanYC Spring 2025Founded TinfoilSacha Servan-SchreiberYC Spring 2025Founded TinfoilBetty ChangYC Spring 2025Founded TrapezeChristopher ChenYC Spring 2025Founded TrapezeJeevesh KonuruYC Spring 2025Founded Jeevy FabricationVinay KonuruYC Spring 2025Founded Jeevy FabricationJames BoothYC Spring 2025Founded ChironMax BoothFounderFounded ChironJonah DaianYC Spring 2025Founded VoiceOSKai BrokeringYC Spring 2025Founded VoiceOSTom InvernizziX25Founded CombinelyArthur GranacherX25Founded CombinelyEric MaoYC Spring 2025Founded FreesoloTom ZhengX25Founded FreesoloEnde ShenYC Spring 2025Founded TegoreSaarth ShahX25Founded SixtyfourChristopher Pricex25Founded SixtyfourJennifer SongYC Spring 2025Founded PhotoniumAdam MhatreYC Spring 2025Founded PhotoniumCaitlin HoganYC Spring 2025Founded LabricConnor HoganYC Spring 2025Founded LabricRoya CodyX25Founded Opusense AIMichael BacaniYC Spring 2025Founded Opusense AIHemang KandwalYC Spring 2025Founded ClideyAnguel HristozovYC Spring 2025Founded ClideyMichael TrehanYC Spring 2025Founded HABITHarish PalaniYC Spring 2025Founded HABITKenneth AcquahYC Spring 2025Founded KaizenMichael SilverSpring 2025 Batch (X25)Founded KaizenTruman GelnovatchYC Spring 2025Founded Ticket WalletRyan ClareYC Spring 2025Founded Ticket WalletAdityavardhan AgrawalYC Spring 2025Founded MorphikArnav AgrawalX25Founded MorphikSwan BeaujardW23Founded NomiRene BrandelX25 batchFounded CascoIan SaultzYC Spring 2025Founded CascoMark FeldnerYC Spring 2025Founded CrimsonDavid StrömbäckX25Founded CrimsonSylvanus MaheYC Spring 2025Founded Flott HQKanvaly FadigaYC Spring 2025Founded Flott HQMax BerthelotYC Spring 2025Founded LucisBergen MereyX25 BatchFounded throxyArnau Ayerbe GarciaX25Founded throxyPablo Jimenez de Parga RamosP25Founded throxyRicardo PantaleonYC Spring 2025Founded AnanaAlexandros ZisimidisX25Founded AnanaRayan GargYC Spring 2025Founded ThetaTanmay SharmaYC Spring 2025Founded ThetaGurvir SinghX25Founded Theta
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 Galen AI, neoncoral, Auctor, Ralo, Acolite.
- Who is in the Y Combinator mafia?
- Notable members include Priyanka Shrestha (Galen AI), Thomas Liao (neoncoral), William Sun (Auctor), Matthew Blackburn (Auctor), Arjun Lalwani (Ralo), Helly Shah (Ralo), Daniel Siryakov (Acolite), Kevin Treehan (Capacitive), among 10,678 tracked members.
- What companies did Y Combinator alumni found?
- Companies founded by Y Combinator alumni include Galen AI, neoncoral, Auctor, Ralo, Acolite, Capacitive, Claim Health, Feyn, HelixDB, The Robot Learning Company.