Fundraising Fox
The Y Combinator Mafia
10,658 people came through Y Combinator and went on to found or lead other companies.
Collins MuthinjaYC Winter 2024Founded Tripitaca +1Daniel ChalefYC Winter 2024Founded KnowledgeTree +1Alexander BelangerYC Winter 2024Founded Hatchet +1Pascal WielerYC Winter 2024Founded GoCharly +1Brian PetkovYC Winter 2024Founded Redesign Science +1Stefan VukcevicFounder, W24 BatchFounded Konstructly +1Andy ZhangWinter 24 BatchFounded Tower +1Nisarg PatelYC Winter 2018Founded Million +1Daniel FrancisYC Winter 2024Founded Abel Police +1Rithwik PattikondaYC Summer 2024Founded Roger +1Pavel GertsbergYC Summer 2024Founded Fluffy +1German MikulskiYC Summer 2024Founded Fluffy +1Konstantin WohlwendYC Winter 2023Founded Hexclave +1Jon LevinsonYC Summer 2024Founded Clarahomecare +1Christian DalSantoYC Summer 2024Founded Party +1Eric KimYC Summer 2023Founded NetworkOcean +1Alex PokrasYC Summer 2025Founded Genproof +1Kenneth LouYC Summer 2024Founded Founders Pledge +1Ayo OmojolaMaking Something People WantFounded Substrate +1Kashif AliYC Summer 2020Founded TaxGPT +1Dieter De MesmaekerYC Summer 2024Founded DataCamp +1Austin WangS24Founded cmux +1Tim SuchanekYC Summer 2024Founded Stellate +1Jai PadmakumarS24Founded Robigo +1Abhinav ReddyYC Summer 2024Founded Sukhiba +1Chris LeYC Summer 2024Founded RTFKT +1Tony KamYC Summer 2026Founded OpenTag +1Shelden ShiYC Summer 2024Founded OpenTag +1Jake YatvitskiyYC Summer 2024Founded Haystack +1Akshay SubramaniamYC Winter 2021Founded Haystack +1Zach WitzelS24Founded Helium +1Shishir JakatiYC Summer 2024Founded Helium +1Faiyam RahmanYC Winter 2022Founded Blaze +1Luc SuccèsYC Winter 2022Founded Blaze +1Jerry LiuYC Summer 2024Founded LlamaIndex +1Sammy GreenwallYC Summer 2024Founded Lev +1Nikhil SontiYC Summer 2024Founded Felafax +1Noah AuerhahnYC Winter 2025Founded Robin Healthcare +1John TaYC Summer 2024Founded 株式会社EduCare +1Ayush JainS24Founded Syntra +1Murtaza AliFall 2024Founded Symphony +1Manav BokinalaYC Fall 2024Founded vly.ai +1Sam ParkF24Founded Lune AI +1Antonio VespoliYC Fall 2024Founded Circlemind Knowledge-graph RAG Visit +1Max PrilutskiyF24Founded Notionlytics +1Veronica PrilutskayaF24Founded Notionlytics +1James GrugettYC Fall 2024Founded Manifold +1Felix GerlachF2024Founded Passbase +1Edward ZhangYC Fall 2024Founded DeepGrove +1Chris PisarskiYC Fall 2024Founded Crustdata +1Jesse HuYC Fall 2024Founded Abundant +1Akhil GuptaF24Founded No Broker +1Sean OBrienYC Fall 2024Founded Astrius +1Daniel EdrisianYC Winter 2024Founded Alex +1Nimesh ChakravarthiYC Winter 2023Founded Struct +1Deepan MehtaF24Founded Struct +1Raj KadiyalaEntrepreneurship & StartupsFounded Laminar +1Allen NaliathYC Summer 2024Founded Freestyle +1Warren WangYC Fall 2024Founded Rebulk +1Dexter HorthyYC Fall 2024Founded HumanLayer +1Saner CakirW25Founded Trace +1Kayla LeeW25Founded Trace +1Marcus ZimmermanW25Founded Candor +1Ethne LaudeYC Winter 2025Founded Candor +1Noah FichterYC Winter 2025Founded Scout +1Max BertfieldYC Winter 2025Founded Scout +1Gaurav LuhariwalaW25Founded Tartan +1Adam CohenYC Winter 2025Founded Weaveos +1Andrew ChurchillYC Winter 2025Founded Weaveos +1Nelson RaySalesPatriot (YC W25)Founded ByDesign +1Ishir VaidyanathYC Winter 2020Founded Paragon +1Thiago PeresFounderFounded Rally +1Juan PiscoYC Alumni (W25)Founded Plannery +1Adish JainFounderFounded Mosaic +1Kyle WadeYC Summer 2026Founded Mosaic +1Kasey ZhangYC Winter 2025Founded Gulp +1Andy LyuYC Winter 2025Founded Gulp +1Parth PatelYC Winter 2025Founded Kusari +1Ronit JainYC Winter 2025Founded Liquid Compute +1Dakotah RiceYC Winter 2025Founded Poolit +1Erin KimW25Founded Mesh +1Nandini RamakrishnanYC Summer 2020Founded Mesh +1Nikhil SrinivasanF1Founded Islands +1Samuel SmeysSpott (YC W25)Founded BloomUp +1Erik DuntemanYC Winter 2025Founded Pig +1Pablo Bermudez-CaneteY Combinator | W25Founded Paratus Health +1Tannen HallCo-FounderFounded Paratus Health +1Jesse LiYC Winter 2025Founded Cedar +1Isabelle IlyiaYC Winter 2025Founded Cedar +1Joaquim DicksonYC Winter 2025Founded Instinct +1Rami GhanemYC Winter 2025Founded Summize +1Regina LinW25Founded Thirdlayer +1Kevin GuW25Founded Thirdlayer +1Antony SamuelYC Winter 2025Founded Artifact +1Corbin KlettYC Summer 2020Founded Artifact +1Love RedinYC Winter 2025Founded Vantel +1
Frequently asked questions
- What is the Y Combinator mafia?
- The Y Combinator mafia is the network of 10,658 people who came through Y Combinator and went on to found or lead other companies, including Tripitaca, KnowledgeTree, Hatchet, GoCharly, Redesign Science.
- Who is in the Y Combinator mafia?
- Notable members include Collins Muthinja (Tripitaca), Daniel Chalef (KnowledgeTree), Alexander Belanger (Hatchet), Pascal Wieler (GoCharly), Brian Petkov (Redesign Science), Stefan Vukcevic (Konstructly), Andy Zhang (Tower), Nisarg Patel (Million), among 10,658 tracked members.
- What companies did Y Combinator alumni found?
- Companies founded by Y Combinator alumni include Tripitaca, KnowledgeTree, Hatchet, GoCharly, Redesign Science, Konstructly, Tower, Million, Abel Police, Roger.