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The Y Combinator Mafia

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

Omar GabrWinter 2016Founded Instabug +1 Jamie QuintYC Winter 2016Founded Rye +1 JP Patelw16Founded Pave +1 Quang HoangYC Spring 2025Founded Vybe +1 Sanjay MandavaYC Winter 2016Founded Landeed +1 ZJ LinYC Summer 2022Founded Landeed +1 Jonathan AsmisYC Winter 2016Founded Landed +1 Mackenzie BurnettYC Winter 2016Founded Ambrook +1 Derek HerreraEntrepreneurshipFounded Bright Uro +1 Hrachik AjamianYC Winter 2016Founded Pearch +1 Leandrew RobinsonYC Winter 2016Founded Posterchild +1 Sebastian MejiaYC Winter 2016Founded Tako +1 Galen SimmonsWinter 2015 BatchFounded Direct Match +1 Hendrik RoosnaYC Summer 2016Founded Fairown +1 Gilles PoupardinYC Summer 2016Founded Airbuds +1 Alexander HarmsenYC Summer 2016Founded PortfolioPilot +1 James HowardYC Winter 2016Founded Iris Automation +1 Mykel PereiraYC Summer 2016Founded Legend Labs +1 Igor GladkoborodovYC Summer 2016Founded Corca +1 Alice DinuYC Summer 2016Founded Ready Education +1 Brandon FooYC Summer 2016Founded Polymail +1 Bernardo de PaduaYC Growth ProgramFounded Quero Educaçăo +1 Robbie BhathalYC Summer 2016Founded Brightflow AI +1 Moran SnirYC Winter 2017Founded Nest Genomics +1 Guy SnirYC Winter 2022Founded Nest Genomics +1 Greg KressYC Winter 2017Founded Pearl +1 Yunha KimYC Winter 2017Founded Simple Habit +1 Michael WasserYC Summer 2012Founded BloomAPI +1 Keenan D. WilliamsW '17 BatchFounded Rezi +1 Harsh YadavYC Winter 2017Founded Ryse +1 Chaitu AluruYC Summer 2024Founded Pulse +1 Vamsee ChamakuraYC Winter 2017Founded Pulse +1 Janet HurW17Founded Millibatt +1 Sam LiYC Winter 2017Founded Thoropass +1 Isaac MosqueraYC Winter 2017Founded AppMakr +1 Puneet KumarVisiting Group PartnerFounded Gama +1 Aziz JaouhariWinter 2017Founded WaystoCap +1 Art AgrawalMake something people want.Founded Jerry +1 Michael SimonYC Summer 2017Founded The Arena +1 Jay RenoS17 BatchFounded Pointhound +1 Austen AllredS17 BatchFounded Bloom Institute of Technology +1 Ben NelsonYC Summer 2017Founded Minerva Project +1 Uzoma AyoguPortfolio MemberFounded Releaf +1 Chaz EnglanderYC Summer 2017Founded Model ML +1 John NovakYC Summer 2017Founded Standard Cognition +1 Henry DornierS17Founded Alpharun +1 Umar AfridiYC Summer 2017Founded Foundation Health +1 Brad EckertYC Summer 2017Founded Woz +1 Ankur GuptaYC Summer 2017Founded Spect +1 Cuauhtli PadillaEntrepreneurship and GrowthFounded Fuddis +1 Anand KrishnaCore Program Summer 2017 BatchFounded Inkle +1 James ZhangYC Summer 2017Founded Jambo +1 Omri MorYC Summer 2017Founded ZIIBRA +1 Pranay ShrivastavaYC | S17Founded Pankhuri +1 Matthew DeitersW12Founded Assembly Made +1 Anhang ZhuWinter 2018Founded Tier Zero +1 Cory LiS12Founded Spellbrush +1 JP MorganYC W18 AlumFounded Jasper.ai +1 Dave RogenmoserYC W18 AlumFounded Jasper.ai +1 Raymond (George) KennedyYC Spring 2025Founded Rhythmm +1 Daniel DeCovnickYC Winter 2018Founded Observant AI +1 Jon LernerYC Winter 2018Founded Textnow +1 Ethan SutinW18Founded Squad +1 Pierre BetouinYC Spring 2026Founded Tolmo +1 Eugenio Sánchez RabiellaW18Founded MagnaPlay +1 Joseph CohenYC Winter 2018Founded Infinite Machine +1 Chris DeanYC Winter 2018Founded Benefitter +1 Sarim SiddiquiW18 BatchFounded Pelago +1 Sondre RaschW16 Batch with Superside and W18 Batch with SafetyWingFounded SafetyWing +1 Andrea BaronchelliYC Winter 2018Founded Aspire +1 Giovanni CasinelliYC W18Founded Asteroid +1 Mike MillerYC Winter 2018Founded Epoch +1 Devin FinzerYC Winter 2018Founded Ozone Networks +1 Raphael RouvinovYC W18Founded Luminopia +1 Miguel KudryW18Founded L1 Advisors +1 Alex SismanisYC Winter 2018Founded L1 Advisors +1 Michael PhillipsYC W18 BatchFounded Vena Medical +1 Ola WibergYC Summer 2018Founded HumanAPI +1 Tony FrancisInokyo (S18)Founded Dream3D +1 Anton BernsteinYC Summer 2018Founded Highrise +1 Jimmy XuStartupFounded Highrise +1 Idan HershkoYC Winter 2019Founded Avo +1 Eric LevineVisiting Group PartnerFounded Clawvisor +1 James LinYC Summer 2018Founded Crunchyroll +1 Chen-Chen HuoS18Founded Nexus +1 Gordon Hirsch WilsonYC Summer 2018Founded Rain AI +1 Kyle AlwynYC Summer 2018Founded Kin Health +1 Atray DixitYC Summer 2018Founded Oncko +1 Stefan KalbYC Summer 2018Founded Latch +1 Kenny LiS18 batchFounded Manta Network +1 Gaurav KumarYC Summer 2018Founded Yubi +1 Shadiah SigalaYC Summer 2018Founded HoneyBook +1 Matthew TrostYC W18Founded Superoot +1 Brian BakermanYC Summer 2019Founded ArchiLabs +1 Diego Saez GilW19 and W15 batchesFounded Pachama +1 Sohrab HaghighatEntrepreneurship/Entrepreneurial StudiesFounded Hestus, Inc. +1

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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 Instabug, Rye, Pave, Vybe, Landeed.
Who is in the Y Combinator mafia?: Notable members include Omar Gabr (Instabug), Jamie Quint (Rye), JP Patel (Pave), Quang Hoang (Vybe), Sanjay Mandava (Landeed), ZJ Lin (Landeed), Jonathan Asmis (Landed), Mackenzie Burnett (Ambrook), among 10,686 tracked members.
What companies did Y Combinator alumni found?: Companies founded by Y Combinator alumni include Instabug, Rye, Pave, Vybe, Landeed, Landed, Ambrook, Bright Uro, Pearch, Posterchild.