Fundraising Fox

/Mafias

The Y Combinator Mafia

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

George RoseS26Founded Rise Reforming Lucas ZubillagaS26Founded Rise Reforming Jona van OordS26Founded Rise Reforming Jonah KayeYC Summer 2026Founded Floracene Asaph KupfermanYC Summer 2026Founded Floracene Kaya CelebiYC Summer 2026Founded GUILD Erim GurlemisYC Summer 2026Founded GUILD Ranvir DeshmukhYC Summer 2026Founded RealPact Oscar AguilarYC Summer 2026Founded Bizmark Rodrigo MosqueiraYC Summer 2026Founded Bizmark Hans IbarraYC Summer 2026Founded Dialogus Juberth RodriguezYC Summer 2026Founded Dialogus Rodrigo TeránYC Summer 2026Founded Dialogus Cielo NicolosiYC Summer 2026Founded Alloovium Zander SchweitzerS26Founded Alloovium Nikos DritsakosYC Summer 2026Founded Glen Yahia BakourYC Summer 2026Founded Context.dev Michael ZhouYC Summer 2026Founded Codag Ilia BolgovTouchmark (YC S26)Founded Touchmark Roman YanushevskyiYC Summer 2026Founded Touchmark Louis BeaumontYC Summer 2026Founded screenpipe Rick GaoS26Founded Alkera AI Tony LiYC Summer 2026Founded Alkera AI Andrew TranS26Founded Alkera AI Mazin Al-AniYC Fall 2026Founded Definite Farhan Ur RehmanYC Fall 2026Founded Definite Gurshabd Singh VaraichYC Fall 2026Founded Definite Jonathan WaldorfS 26Founded Cerenovus Zaky HassanS26Founded Molagri Min JinYC Summer 2026Founded Molagri David Shijoon BaeYC Summer 2026Founded FlowManual Maki PotamianosYC Summer 2026Founded Pluto Sahil SethS26Founded Pluto Tony XavierYC Summer 2026Founded Pluto Alex SouthmaydYC Summer 2026Founded Bloomy James BaekFounderFounded 6thSense Ronak AgarwalYC Summer 2026Founded 6thSense Alex Hyungwoo NohYC Summer 2026Founded 6thSense Matt WulffFounderFounded 6thSense Antonio Sitong LiYC Summer 2026Founded Nori Thomas AubryYC Summer 2026Founded Ooak Data Darcy ZhangYC S26Founded Greypoint Industries Nic ChuYC S26Founded Greypoint Industries Jordan KhooYC S26Founded Greypoint Industries Steven XuS26Founded Greypoint Industries Alex TungS26Founded Whitespace Leon YaoS26Founded Whitespace Shreenabh AgrawalS26Founded Aktoria Robotics Jaskaran Singh WaliaS26Founded Aktoria Robotics Jibril MoinuddinYC Summer 2026Founded Rational Christ XuYC Summer 2026Founded Rational Ahmed AlyYC Summer 2026Founded Fabraix Ibrahim AbduFounder (YC S26)Founded Fabraix Darell ChuaYC Summer 2026Founded Daqstra Anchit KumarYC Summer 2026Founded Daqstra Samuel GoldYC Summer 2026Founded Risklytics Alexander RisioYC Summer 2026Founded Risklytics Tien ChuS26Founded LATO Tymek StaniszewskiS26Founded LATO Francisco Serra-MartinsYC Summer 2026Founded Isengard Industries Inc Jack BeecherYC Summer 2026Founded Denta Harish AshokYC Summer 2026Founded Markov Dev MandalYC Summer 2026Founded Markov James EmerickYC Summer 2026Founded Cosmic Robotics Lewis JonesS26 BatchFounded Cosmic Robotics Anderson ChenYC Summer 2026Founded Operon Dima VremenkoYC Summer 2026Founded Inkbox Alex WilcoxYC Summer 2026Founded Inkbox Johnny DoyleS26Founded ProvenMetal Will CarknerYC Summer 2026Founded ProvenMetal Parth AjmeraYC Summer 2026Founded Agnost AI Shubham PalriwalaYC Summer 2026Founded Agnost AI Melvin ChenYC Summer 2026Founded Care GP Dev KarpeSummer 26Founded Praxis Robotics Tommy LiYC Summer 2026Founded Praxis Robotics Rohan SeelamsettyS26Founded Praxis Robotics Saksham GuptaEntrepreneurship/Entrepreneurial StudiesFounded Levocred AI Saman SayahpourYC Summer 2026Founded Axelrod Adrian Lucas Tariel StoicaS 26Founded Axelrod Ansh ChokshiYC Summer 2026Founded Mireye Shashwat KapoorYC Summer 2026Founded Mireye Ian NaccarellaYC Summer 2026Founded 83 Sciences Eric RieselYC Summer 2026Founded 83 Sciences Yankang YangS26Founded 83 Sciences Damian SzumskiYC Summer 2026Founded Skymerse Karan RainaYC Summer 2026Founded HyperProbe Shailendra SinghYC Summer 2026Founded HyperProbe Prashant PatelYC Summer 2026Founded OpenRelay Jaden WangYC Summer 2026Founded OpenRelay Jacob BalajYC Summer 2026Founded Hop Aero Matija MilenovicS26 BatchFounded Hop Aero James WaltonCo-founder/CEO Earendil Robotics | YC S26Founded Earendil Robotics Dan KomornyYC Summer 2026Founded Earendil Robotics Shaurya AggarwalYC Summer 2026Founded Florin Amol PantYC Summer 2026Founded Florin Aydin SorensenYC Summer 2026Founded Florin

+ 1,654 more →

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 Rise Reforming, Floracene, GUILD, RealPact, Bizmark.
Who is in the Y Combinator mafia?: Notable members include George Rose (Rise Reforming), Lucas Zubillaga (Rise Reforming), Jona van Oord (Rise Reforming), Jonah Kaye (Floracene), Asaph Kupferman (Floracene), Kaya Celebi (GUILD), Erim Gurlemis (GUILD), Ranvir Deshmukh (RealPact), among 10,678 tracked members.
What companies did Y Combinator alumni found?: Companies founded by Y Combinator alumni include Rise Reforming, Floracene, GUILD, RealPact, Bizmark, Dialogus, Alloovium, Glen, Context.dev, Codag.