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The Y Combinator Mafia

10,678 people came through Y Combinator and went on to found or lead other companies.

Himank YadavYC Summer 2020Founded ReployBen SchermelYC Summer 2020Founded KeyDBLana GrafYC Summer 2020Founded Nextera Robotics | DIDGE.aiTyler BellS20Founded MemberstackPurya SarmadiYC Winter 2021Founded MedMe HealthTanu VenkateshW21 batchFounded PowerRouterNed RocksonYC Winter 2021Founded SlashAuthYogesh BathinaYC Winter 2021Founded KrabZoya AjaniYC Winter 2021Founded CoVerifiedBen BotvinickYC Summer 2021Founded HyperJulie WallockW21Founded Charge RunningMonji DolonYC Winter 2021Founded MeasuredYash AgrawalYC Winter 2021Founded GimBooksTyler CarlsonYC Winter 2021Founded ResquaredLuka SinčekYC Winter 2021Founded Juicy MarblesKirushanth KumarYC Winter 2021Founded BusinessOnBotAlbert KwokNuntius Therapeutics / W21Founded Nuntius TherapeuticsVedant PradeepS21Founded ReframeZiyi GaoYC Summer 2021Founded ReframeMikee VillarealYC Summer 2021Founded MadEatsAndie CruzYC Summer 2021Founded MadEatsKeisha LaoYC Summer 2021Founded MadEatsEnzo BiancatoYC Summer 2021Founded testRigorTheo TortoriciSummer 2021 BatchFounded GetDotKartikye MittalYC Summer 2021Founded Dots 💸Louis Knight-WebbS21Founded Vibe KanbanJiawei LiYC Summer 2021Founded Tuli HealthSonja SaloS21Founded Kapacity.ioMateus FeliniYC Summer 2021Founded DatloRaisa SpagnolYC Summer 2021Founded DatloFarah GasmiYC Winter 2022Founded DioptraAlif Jafar FatkhurrohmanYC Winter 2022Founded UpBanxShyam MuruganYC Winter 2022Founded BharatXEeshan SharmaW22 BatchFounded BharatXEni JoshuaYC Winter 2022Founded PlumterAaron NeiderhiserYC Winter 2022Founded Tuva HealthSipra LaddhaYC W 22Founded LunaJoy HealthUzair MahmudW22Founded Elphinstone, Inc.Bently NixonYC Winter 2022Founded BlitzllamaTung TranYC Winter 2022Founded Marathon EducationJulian MayW22 BatchFounded LizzaNitzan GelbardS22Founded BallerinePhilip KelvinYC Summer 2022Founded TranchGuy ShaharYC Summer 2022Founded BleeDilip JainYC Summer 2022Founded Gullak MoneyManthan ShahYC Summer 2022Founded Gullak MoneySunny SunCo-founder of Lamin LabsFounded LaminNathalie CapatiYC Summer 2022Founded Jasmine EnergyLouis de JenlisS22 BatchFounded JambleMichele Van RuitenYC Summer 2022Founded CAPSULEShub ViragiYC Winter 2023Founded ParabolicBenjamin LitvinYC Winter 2023Founded Fluid MarketsNoy TwerskiYC Winter 2023Founded SherloqNadav GutmanYC Winter 2023Founded SherloqAri RechtYC Winter 2023Founded Odigos Technologies Inc.Kriti AroraYC Winter 2023Founded MantysIshaan JafferYC Winter 2023Founded LiteLLMAyush JasujaYC Winter 2023Founded Speedy LabsColeman OatesS23Founded LapelAngie MullerYC W2024Founded AttunementAdam WuS24Founded AminoAnalyticaKamal NahasYC Summer 2024Founded Serve AIAnthony RassiS24 BatchFounded Serve AIWeijie WangS24Founded Serve AIKevin BaoF24Founded Moonset HealthMikkel KimYC Summer 2025Founded argsBenjamin SkinnerYC Summer 2025Founded KestrollTom YangS25Founded KestrollShaamil KarimYC Summer 2026Founded Atlas DiscoveryYoshi FukazawaYC Summer 2022Founded Eugit TherapeuticsMelissa StendahlYC Summer 2021Founded Liv LabsEddie PhanichkulYC Summer 2017Founded VIDA & Co.Tom WalkinshawYC Winter 2021Founded Alba OrbitalVlad CazacuYC Winter 2021Founded AvocadoSharud AgarwalYC Summer 2021Founded Akute HealthJavier MartinezYC Summer 2014Founded SFOXManas GandhiYC Fall 2025Founded HelonicVamshi krishna GunukulaYC Summer 2019Founded DirectShiftsScott KleinYC Summer 2017Founded HelpWearDerek ExnerYC Summer 2017Founded HelpWearKabir MohammedYC Summer 2018Founded Corvus RoboticsEmin AlekperovFounded Contera.aiSerbanStartup School 2022Founded Source.devJustin DwyerYC Summer 2022Founded AviaryAIJulian AllenYC Summer 2022Founded AviaryAINeda RazaviYC Winter 2016Founded iSono HealthRyan DibbleYC Winter 2019Founded ZeroDownPatrick GradyYC Summer 2015Founded TetraScienceLarry DiamondYC Summer 2020Founded ZipEvan KaplanYC Winter 2013Founded InfluxDataAaron FrankYC Winter 2015Founded FinalKevin SmithYC Summer 2008Founded SnipdPhilip MichaelidesYC Summer 2013Founded SenicAlyona KobzarenkoYC Winter 2011Founded TalkableClément Le FournisYC Winter 2026Founded Condor EnergyKyle AzevedoYC Summer 2012Founded Viacycle

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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 Reploy, KeyDB, Nextera Robotics | DIDGE.ai, Memberstack, MedMe Health.
Who is in the Y Combinator mafia?
Notable members include Himank Yadav (Reploy), Ben Schermel (KeyDB), Lana Graf (Nextera Robotics | DIDGE.ai), Tyler Bell (Memberstack), Purya Sarmadi (MedMe Health), Tanu Venkatesh (PowerRouter), Ned Rockson (SlashAuth), Yogesh Bathina (Krab), among 10,678 tracked members.
What companies did Y Combinator alumni found?
Companies founded by Y Combinator alumni include Reploy, KeyDB, Nextera Robotics | DIDGE.ai, Memberstack, MedMe Health, PowerRouter, SlashAuth, Krab, CoVerified, Hyper.