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The Y Combinator Mafia

10,686 people came through Y Combinator and went on to found or lead other companies.

Ingrid van WelieYC Winter 2022Founded Neural Dynamics Technologies +1 Kuberan MarimuthuYC Winter 2022Founded Hashcube +1 Samay JainYC Summer 2021Founded Better Opinions +1 Taylor BaldwinYC Winter 2022Founded Drifting In Space +1 Murillo FreitasYC Winter 2022Founded EasyCarros +1 Fábio WittEntrepeneurFounded EasyCarros +1 Ryan JohnsonYC Winter 2022Founded Float Health +1 Oren FriedmanYC Winter 2022Founded rallybus_ +1 Grace SaiYC Winter 2022Founded Impact Hub +1 Greg SirotekYC W22Founded Opencoreemr +1 Max ClarkeYC Winter 2022Founded Plover Parametrics +1 Tommy PeeplesYC Winter 2022Founded Plover Parametrics +1 Kareem KouddousYC Winter 2022Founded Suzy +1 Kaben ClausonYC Winter 2022Founded Base +1 Shashank KhannaYC Winter 2022Founded Cashmere +1 Rebecca LeeYC Winter 2022Founded Elayne +1 Felipe AbelloYC Summer 2026Founded Agentcard +1 Walter PintorStartup FounderFounded Syncware +1 Tim HyerW22Founded Getable +1 Herman PhillipsWinter 2022 BatchFounded Wrapbook +1 Hao ZhengWinter 22 batchFounded PlusAI +1 Philip MoniagaW22Founded Billow AI Labs +1 Shawn DrostYC Winter 2022Founded Hack Reactor +1 Sammy SidhuYC Winter 2022Founded Eventual +1 JD EpsteinYC Winter 2022Founded Ambassador +1 Sebastian OrtizW22Founded Mono +1 Divij GoyalYC Winter 2022Founded Mindbase +1 Cody EbbersonYC Summer 2022Founded Medplum +1 Amit BarYC Summer 2022Founded Brand.ai +1 Rahul SonwalkarYC Summer 2022Founded Waterview +1 Prathik MuppidiS22 FounderFounded Autumn Labs +1 Henson OrserYC Summer 2022Founded Soter +1 Michael EganS22Founded Buntinglabs +1 Brendan AshworthYC Summer 2022Founded Buntinglabs +1 Nikolay KobyshevYC Summer 2022Founded Assaia +1 Matt BrownYC Winter 2016Founded CustomerOS +1 Joao Victor AguiarYC Summer 2022Founded Codexa +1 Andrew PetersonYC S22Founded Array Labs +1 Parth ShahS22Founded Polimorphic +1 Myra ArshadBatch S22Founded Fluidic +1 Angela DaoYC Summer 2022Founded Stellar +1 Elise NguyenYC Summer 2022Founded Stellar +1 Quan ZhouYC Summer 2022Founded Stellar +1 Julian RowlandsYC Summer 2022Founded Cashboard +1 David PaffenholzS22Founded Moonfare +1 Vicki MoYC Summer 2022Founded Chouxbox +1 Ernie HoS22Founded Namecard.ai +1 Daniel HavenYC Summer 2022Founded Slauth.io +1 Nikita ErmoshkinYC Summer 2022Founded Carbon +1 Alexandre RoubaudYC Summer 2022Founded Bitstack +1 Jamie BalsillieS22Founded Hedgehog +1 Wilson RuotoloYC Summer 2022Founded Hedgehog +1 Ian EavesS22Founded Sprag +1 Aahan SawhneyYC Summer 2022Founded Feather +1 Avi SinghYC Winter 2022Founded Atlas +1 Tom BachantYC Summer 2022Founded Dashride +1 Dalton CombsYC Summer 2022Founded Boundless Mind +1 Vidhi VakhariaYC Summer 2022Founded Sculpt +1 Miquel LlobetYC Summer 2022Founded Coverwatch +1 Daniel CarmonaYC Summer 2022Founded Supersonik +1 Jahangir MohammedS22Founded Twin Health +1 Ryan XieYC Winter 2023Founded Origami Robotics +1 Jin KimYC Winter 2023Founded Xcena +1 Neil MovvaYC Winter 2023Founded Sail Research +1 Mor SelaYC Winter 2026Founded Cardinal +1 Fil TwarowskiYC Winter 2018Founded rift +1 Dan JonesYC Winter 2023Founded Splunk +1 Michael LemmW23Founded Andco +1 Adam BulowYC Winter 2022Founded Pigeon +1 Robert RossYC Winter 2023Founded Lume +1 Rishabh JainYC Winter 2023Founded Fermat +1 Sri SomasundaramYC Winter 2023Founded Latent +1 Akanksha SinghYC Winter 2023Founded Pear VC +1 Max LuYC Winter 2023Founded Lynx +1 Eric LiYC Winter 2023Founded Topology +1 Derek ChiangYC Winter 2023Founded Offchain Labs +1 Eric ChenYC Winter 2023Founded Injective +1 Kamal GuptaYC Summer 2014Founded Omnistrate +1 Jesse BuckinghamW23Founded Vooma +1 Himanshu BamoriaYC Winter 2023Founded Athina AI (YC W23) +1 Shiv SakhujaYC Winter 2023Founded Athina AI (YC W23) +1 Eric BrownroutW23Founded Perform +1 Christian MathiesenYC Winter 2023Founded Perform +1 Mika MelchankaYC Winter 2023Founded Narrative BI +1 Ferhat BabacanYC Winter 2023Founded Bluedot +1 Andrew KimYC Winter 2023Founded co.dev +1 Ben KellerYC Winter 2023Founded RentDrop +1 Tomás CamposW23 BatchFounded Spinwheel +1 Alex LeeW21Founded Truewind +1 Andrew LiuYC Winter 2023Founded Momos +1 Barak OshriYC Winter 2023Founded Nestmed +1 Vaibhav GuptaYC Winter 2023Founded Udaan +1 Rishabh SrivastavaYC W23Founded Defog +1 Joseph ChenYC Winter 2023Founded Fairway Health +1 Dominic VitucciYC Winter 2023Founded SPRX +1 Guillermo AcuñaYC Winter 2023Founded Cumplo +1

+ 9,630 more →

Frequently asked questions

What is the Y Combinator mafia?: The Y Combinator mafia is the network of 10,686 people who came through Y Combinator and went on to found or lead other companies, including Neural Dynamics Technologies, Hashcube, Better Opinions, Drifting In Space, EasyCarros.
Who is in the Y Combinator mafia?: Notable members include Ingrid van Welie (Neural Dynamics Technologies), Kuberan Marimuthu (Hashcube), Samay Jain (Better Opinions), Taylor Baldwin (Drifting In Space), Murillo Freitas (EasyCarros), Fábio Witt (EasyCarros), Ryan Johnson (Float Health), Oren Friedman (rallybus_), among 10,686 tracked members.
What companies did Y Combinator alumni found?: Companies founded by Y Combinator alumni include Neural Dynamics Technologies, Hashcube, Better Opinions, Drifting In Space, EasyCarros, Float Health, rallybus_, Impact Hub, Opencoreemr, Plover Parametrics.