Who is in the Y Combinator mafia?

Notable members include Rafael León (Alana), Juan Cruz De la rua (Checkars), Jaime Macaya (Checkars), Evyatar Ben Artzi (Darrow), Sam Yam (Patreon), Gabriel Lima (Tractian), Leonardo Vieira (Tractian), Manuel Barna (HENRY), among 10,678 tracked members.

What companies did Y Combinator alumni found?

Companies founded by Y Combinator alumni include Alana, Checkars, Darrow, Patreon, Tractian, HENRY, Ridejoy, Listia, Hogaru, Anjuna.

The Y Combinator Mafia

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

Rafael LeónYC Summer 2019Founded Alana Juan Cruz De la ruaYC Winter 2020Founded Checkars Jaime MacayaYC Winter 2020Founded Checkars Evyatar Ben ArtziYC Winter 2021Founded Darrow Sam YamYCEFounded Patreon Gabriel LimaW21Founded Tractian Leonardo VieiraW21Founded Tractian Manuel BarnaS20Founded HENRY Randy PangYC Summer 2011Founded Ridejoy Gee-Hwan ChuangYC Summer 2009Founded Listia Gonzalo UcarW17Founded Hogaru Ayal YogevYC Winter 2018Founded Anjuna Haya AbdallaYC Winter 2018Founded Replit Sölvi LogasonYC Winter 2019Founded Avo Noah PalanskyW20 BatchFounded Taiv Avi StollerYC Winter 2020Founded Taiv João JönkYC Winter 2021Founded Trela Nadim CuriYC SUS '18Founded CityCop Curtis LiuYC Winter 2012Founded Amplitude Dan KnoxYC Summer 2011Founded Science Exchange Mike SherrillYC Winter 2008Founded Machine Zone Ian TienYC Summer 2012Founded Mattermost Ann JohnsonYC Winter 2013Founded Scuba Matin MovassateYC Winter 2013Founded Heap Chris FinneralYC Winter 2014Founded SketchDeck Divey GulatiYC Summer 2014Founded ShipBob Joshua AugustinYC Winter 2015Founded Tempo Moses LoS15Founded Xendit Sumir MeghaniYC Summer 2015Founded Instawork David OatesYC Summer 2016Founded Curtsy Jesse SuarezYC Summer 2016Founded Starcity Ben MappenYC Winter 2017Founded Armory Kunal SangwanYC FounderFounded Piggy Terren KleinYC Summer 2018Founded College Pulse Kyle MackYC W19Founded Middesk Vamsi ChittersEntrepreneurshipFounded Elph Aaron LetzeiserYC Summer 2019Founded Obie Ryan LetzeiserS-19 class - The best startup incubator in the world.Founded Obie Zack GrayYC Winter 2020Founded Ophelia Ganesh DattaYC Winter 2020Founded Cortex Ashu SinghalYC Summer 2012Founded Benchling Steve BartelYC Summer 2017Founded Gem Weihan WangSummer 2010Founded AeroFS Brandon ArbiniZencoderFounded Zencoder Dan VeltriYC Winter 2007Founded Weebly Chris ChanYC Summer 2012Founded 9gag Brian YuYC Summer 2012Founded 9gag David BladowBloomThatFounded BloomThat Jeni Diaz AxlineYC S14Founded Parenthoods Michael RubinYC Winter 2015Founded Magic Sebastian WallinW16 batchFounded Castle Harry KimYC Winter 2016Founded Sendbird Eric SteenCEO & CoFounder, W15Founded Lygos John BautistaYC Summer 2017Founded LTSE Services, Inc.Tammy SunYC Summer 2017Founded Carrot Fertility Aubrey DonnellanYC Winter 2018Founded Bear Flag Robotics Ronan BurkeSummer 2018 BatchFounded Inscribe Chris BacheYCW2019Founded Hatch Bill ViolanteYCW2019Founded Hatch Cameron MacArthurYC Winter 2019Founded AI Insurance Budi HandokoW19 BatchFounded Shipper Phil OpamuratawongseW19Founded Shipper Joey GrassiaYC Winter 2019Founded Shef Jo MaYC Winter 2020Founded Ditto Jessica OuyangYC Winter 2020Founded Ditto Mark FischerYC Winter 2020Founded Benepass Ted MichaelsW23Founded Concourse Dylan DiMarchiYC Winter 2022Founded Eventual Henry EngelYC Summer 2019Founded Superorder Anthony AdamovichYC Winter 2018Founded Squad John SuttonYC Winter 2021Founded Journey Taylor BrownMember Winter 13Founded Fivetran David KirtleyYC Summer 2014Founded Helion Energy Keith Ryu2015Founded Fountain Andrew BarnesYC Summer 2015Founded Go1 Chris EigelandYC Summer 2015Founded Go1 Alex CyriacYC Winter 2017Founded Lively, Inc.Shobin UralilYC Winter 2017Founded Lively, Inc.Steve KirkhamSummer 2018Founded Berbix Bede JordanYC Summer 2018Founded Shelf Engine Eric ZarownyYC Summer 2019Founded Ever Loved Eric SilvermanYC Summer 2019Founded FeaturePeek Ross RichYC W2020Founded Accord Ryan RichYC Winter 2020Founded Accord Manisha PanditaYC Winter 2020Founded Easyplan Hakim KSummer '22 batchFounded Fini George VotroubekYC Summer 2014Founded Helion Energy Austin CheYC Summer 2014Founded Ginkgo Bioworks Anthony PancottiYC Summer 2014Founded Helion Energy Tom LembergYC Summer 2018Founded Curebase Adam McKenzieYC Winter 2012Founded Rescale Kai StinchcombeYC Summer 2013Founded True Link Michael NorciaYC Summer 2017Founded Pyka Mayank GoyalBatch MemberFounded Leena AI Adit JainYC Summer 2018Founded Leena AI Roman KudiyarovYC Winter 2019Founded Termius

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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 Alana, Checkars, Darrow, Patreon, Tractian.
Who is in the Y Combinator mafia?: Notable members include Rafael León (Alana), Juan Cruz De la rua (Checkars), Jaime Macaya (Checkars), Evyatar Ben Artzi (Darrow), Sam Yam (Patreon), Gabriel Lima (Tractian), Leonardo Vieira (Tractian), Manuel Barna (HENRY), among 10,678 tracked members.
What companies did Y Combinator alumni found?: Companies founded by Y Combinator alumni include Alana, Checkars, Darrow, Patreon, Tractian, HENRY, Ridejoy, Listia, Hogaru, Anjuna.