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The Y Combinator Mafia

10,638 people came through Y Combinator and went on to found or lead other companies.

Jack O'MearaYC Winter 2020Founded Aerska +1 Jason WilkYC Winter 2010Founded Dave +1 Juan Pablo OrtegaYC Winter 2016Founded Yuno +1 Kanishk ParasharYC Winter 2013Founded Powder +1 Kyle MichelsonStreamupFounded Getlabs +1 Nicky GoulimisS16Founded Tunic Pay +1 Nimit MaruStartups (S12 Batch)Founded Sava +1 Oliver CameronYC Summer 2011Founded Everyme +1 Peter ReinhardtYC Summer 2011Founded Segment +1 Ralph GooteeVisiting PartnerFounded TigerEye +1 Rick MorrisonPart-time PartnerFounded Coordinate HQ +1 Rui MiadairaSummer21Founded Carreira Beauty +1 Sam CorcosYC Summer 2017Founded Levels Health +1 Sam OdioYC Summer 2011Founded Divvyshot +1 Scott MossYC Winter 2018Founded Doublezero +1 Sheridan ClayborneYC Summer 2020Founded Lendtable +1 Sohail PrasadStartupsFounded D/XYZ +1 Tanooj LuthraYC Summer 2012Founded Elph +1 Tobias KnaupYC Continuity AdvisorFounded Mesosphere +1 Tracy YoungVisiting PartnerFounded TigerEye +1 Yahya MokhtarzadaYC Winter 2016Founded Rocket Money +1 Zachariah ReitanoYC Summer 2014Founded Shout +1 Raquel BuendiaYC Summer 2007Founded Chronosphere +1 Phil FasanoYC Summer 2015Founded Recuro Health +1 Dmitry StaviskyEdwin.ai (W2018 batch)Founded Buddy Ai +1 Sam HodgesYC Summer 2019Founded Vouch +1 Oleg KostourW12 / F25Founded AtlasGrid +1 Anton KrutianskyYC Fall 2025Founded AtlasGrid +1 Nate SmithVisiting Group PartnerFounded Collate +1 Brian NoguchiW21Founded Smartcuts +1 Avinash PandeyYC Winter 2012Founded LILA Games +1 Aamir PoonawallaYC Winter 2012Founded Orchestra +1 Wesley ZhaoYC Winter 2012Founded Therapy Notebooks +1 Peter Delahunty2012 Batch memberFounded 99dresses +1 Min Ming LoWinter 2012Founded Hyperink +1 Lawrence GentilelloFounderFounded Optery +1 Sasha OrloffW'12 BatchFounded LendUp +1 Quin HoxieYC Winter 2026Founded Fixture +1 Mehul NariyawalaYC Winter 2012Founded Matic Robots +1 Jonas TemplesteinYC Winter 2012Founded Monzo +1 Drew DurbinYC Winter 2012Founded Wave +1 Akshay DodejaYC Summer 2011Founded Terminal49 +1 Matt DebergalisYC Summer 2011Founded Meteor Development Group +1 Jason ChenS11Founded Verge Genomics +1 Paul ZhangYC Summer 2011Founded Debteye +1 Aleem MawaniYC Winter 2022Founded National Finance Olympiad +1 Robert FarazinYC Summer 2011Founded Dubjoy +1 Jason TanYC Summer 2012Founded Sift +1 Jason TraffYC Summer 2011Founded Data & Security Early +1 Jason ShenRidejoy (Summer 2011)Founded Midgame +1 Srini PanguluriYC Winter 2006Founded Project Wedding +1 Peter ClarkYC Winter 2021Founded Journey +1 Jason CorwinYC Summer 2019Founded Safely Finance +1 Eric MigicovskyPartnerFounded Beeper +1 Leah CulverConvoreFounded Breaker +1 Victor HoYC Winter 2011Founded Fivestars +1 Ev KontsevoyYC Summer 2015Founded Teleport +1 Taylor WakefieldYC Summer 2015Founded Teleport +1 Ryan BednarW11Founded RankScience +1 Gabe KrambsYC Winter 2011Founded Compound +1 Eddy LuYC Winter 2011Founded GOAT Group +1 Daishin SuganoYC Winter 2011Founded GOAT Group +1 Daniel KivatinosStartup School AdvisorFounded loopfour +1 Qasar YounisChief Operating Officer & Group PartnerFounded TalkBin +1 Andrey PetrovYC Summer 2010Founded Finom +1 Ray GrieselhuberAcceleratorFounded Functionize +1 Rudy AdlerStartup IncubatorFounded Wealthsimple +1 Brett HuneycuttYC Summer 2010Founded Wealthsimple +1 David TranS10Founded Flow Club +1 Bo LuVisiting PartnerFounded FutureAdvisor +1 Andy SuYC Summer 2010Founded Pry Financials +1 Rod EbrahimiYC Summer 2010Founded Ready For Zero +1 Vishwas PrabhakaraStartupsFounded Fanvibe +1 Arthur ChangS10Founded Priime +1 Joe PestroYC Summer 2010Founded Priime +1 Vijay ChittoorYC Winter 2010Founded Mertado +1 Peter LaiYC Winter 2016Founded Emburse +1 Denis MarsDirector of AdmissionsFounded Proxy +1 Arend NaylorYC Winter 2011Founded OrderAhead +1 David KelsoYC Winter 2010Founded Nowmov +1 Allan YoungYC Winter 2010Founded Pavo-IoT +1 Jon DahlYC Winter 2010Founded MUX +1 Steve HeffernanYC W10 - ZencoderFounded MUX +1 Robby WalkerYC Winter 2007Founded Zenter +1 Jason KonradYC Winter 2010Founded 280 North +1 Dan SilbermanYC Winter 2010Founded Mozart Data +1 Evan BeardYC Winter 2010Founded Standard Bots +1 Dane HurtubiseJobSpice (S09)Founded Spoken +1 Tim TrefrenYC Summer 2009Founded Recheck +1 Michael YoungYC Summer 2009Founded Lindus Health +1 Henry LiuYC Summer 2009Founded Glide +1 Savraj SinghS07 W09Founded ContestMachine +1 Dannie ChuYC Winter 2009Founded Makersplace +1 Brad GesslerAccelerator Program (Summer 2008)Founded GBrain +1 Luke GroesbeckYC Summer 2023Founded Foundation +1 Enrique Rodriguez ChamussyEntrepreneurshipFounded Together Video Chat +1

+ 10,158 more →

Frequently asked questions

What is the Y Combinator mafia?: The Y Combinator mafia is the network of 10,638 people who came through Y Combinator and went on to found or lead other companies, including Aerska, Dave, Yuno, Powder, Getlabs.
Who is in the Y Combinator mafia?: Notable members include Jack O'Meara (Aerska), Jason Wilk (Dave), Juan Pablo Ortega (Yuno), Kanishk Parashar (Powder), Kyle Michelson (Getlabs), Nicky Goulimis (Tunic Pay), Nimit Maru (Sava), Oliver Cameron (Everyme), among 10,638 tracked members.
What companies did Y Combinator alumni found?: Companies founded by Y Combinator alumni include Aerska, Dave, Yuno, Powder, Getlabs, Tunic Pay, Sava, Everyme, Segment, TigerEye.