Who is in the Y Combinator mafia?

Notable members include Jon Mattingly (Kodable), Elsen Wiraatmadja (Belanjaparts), Shadi Saberi (iSono Health), David Tulman (Instapath Inc.), Boris Jarry (JetPack Aviation), Saroosh Khan (Allia Health), Amie Leighton (Allia Health), Alan Hoffman (Cloudant), among 10,678 tracked members.

What companies did Y Combinator alumni found?

Companies founded by Y Combinator alumni include Kodable, Belanjaparts, iSono Health, Instapath Inc., JetPack Aviation, Allia Health, Cloudant, Billforward, Mobot, Latchel.

The Y Combinator Mafia

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

Jon MattinglyEducationFounded Kodable Elsen WiraatmadjaNewman's (YC W20)Founded Belanjaparts Shadi SaberiY Combinator Class of Winter 2016Founded iSono Health David TulmanYC Winter 2019Founded Instapath Inc.Boris JarryW19Founded JetPack Aviation Saroosh KhanYC Summer 2026Founded Allia Health Amie LeightonYC Summer 2026Founded Allia Health Alan HoffmanYC Summer 2008Founded Cloudant Ian SaundersYCS14Founded Billforward Aubone TennantYC Summer 2014Founded Billforward Eden Full GohYC Winter 2019Founded Mobot Will GordonYC Winter 2019Founded Latchel Luis SiaBatch S19Founded PayMongo Sean O'KeefeYC Winter 2020Founded yearend Norman MüllerYC Winter 2020Founded Fondeadora Rene SerranoYC Winter 2020Founded Fondeadora Shashwata NarainYC Winter 2021Founded Veera Health Emmanuel UdotongBatch Member S17Founded Shield Santiago BuenahoraW21Founded Primero Travis NollYC Summer 2017Founded Just Appraised Christina LopesYC Winter 2018Founded FidoCure Stella HanYC W21Founded Fractional Jacob RosenbergYC Winter 2012Founded LendUp Josh ArcherS20Founded Arketa Nurasyl SerikFounded Remofirst Srivatsan ChariYC Summer 2014Founded Clear Raphael CapelãoYCS20Founded Hubla Deren TavgacYC Winter 2022Founded Redbird Shubham PatilYC Summer 2026Founded Mosaic Dorsa RohaniYC Summer 2026Founded Mosaic Teddy GueninFounderFounded GTRACK Technologies Ashwin AmurthurYC Summer 2016Founded GTRACK Technologies Chai MishraFellowship 2Founded The Essential Anup SinghYC Winter 2017Founded InnaMed Jahaan AnsariYC Winter 2018Founded Gainful Kunaal NaikYC Winter 2018Founded Memora Health Baris BilgicYC Summer 2018Founded Kunduz Faraz KhanYC Winter 2013Founded Screenhero David Haisha ChenYC Winter 2013Founded Strikingly Roberto RiccioAdmissionsFounded Glio Stefan GomezSummer 2013Founded Bop.fm Scott KleinYC Summer 2013Founded StatusPage Chris NguyenEntrepreneurshipFounded Mezmo Alejo VerliniYC Winter 2015Founded Bluesmart Joe WaltmanYC Winter 2015Founded VetPronto Daniel O'SheaS15Founded Interviewed Mark GallowayWinter 2016 batchFounded Chillabit Benjamin LavinYC Winter 2016Founded Chillabit Thiago BrandãoYC Summer 2016Founded Quero Education Perry EverettWinter 2017Founded Arylla Graham ThomasYC Winter 2017Founded Arylla Eliran KutaYC Summer 2017Founded D-ID Gil PerryYC Summer 2017Founded D-ID Duncan HaldaneYC Summer 2018Founded JITX Jonathan BachrachYC Summer 2018Founded JITX Jorge ZamoraYC W19Founded GoLinks Kalim MirYC Winter 2019Founded XGenomes Felipe OtáloraS19Founded treble.ai Ali OzesYC Winter 2020Founded Altay Therapeutics Osman OzesYC Winter 2020Founded Altay Therapeutics Freddie GreenYC Summer 2020Founded Minimum Donovan SoYC Summer 2022Founded BricksAI Courtney CavinYC Summer 2021Founded Astek Diagnostics Jack RyanYC Spring 2025Founded Attune Kazel Koh En YangYC Fall 2026Founded Collar Jamie YauF26Founded Collar Joel ChristnerYC Winter 2012Founded SlidePay Urška SršenStartupsFounded Bellabeat Tuyen TruongYC Winter 2012Founded Screenleap Tony (Shi) LiYC Summer 2011Founded Caviar Lionel JinglesYC Summer 2010Founded Leftronic Jyotindra VasudeoYC Summer 2010Founded Leftronic Jamie WongYC Summer 2012Founded Vayable Jason TokophProduct Market FitFounded Blockspring Debkishore MitraYC Winter 2015Founded Lucira Health Ifeanyi OkonkwoYC Winter 2017Founded Tizeti Natalie AbeysenaYC Winter 2017Founded ScopeAI Vince NingNabis (W19 - Top Company)Founded Nabis Jun S. LeeNabis (YC W19) | YC Top Companies 2021Founded Nabis Andre BernardesZippi (S19)Founded Zippi Joseph FinlaysonYC Summer 2019Founded Sable Florian BersierSummer 2019 BatchFounded Gmelius Avni Patel ThompsonW16 BatchFounded Milo Denys KrasnikovStartup SchoolFounded Vidby Dhaumil ParmarEntrepreneurship/Entrepreneurial StudiesFounded Redicine Rajiv BhatMentor, Startup School MOOCFounded Mertado George MelikaYC Summer 2014Founded SFOX Akbar ThobhaniYC Summer 2014Founded SFOX Maddalena AdornoS18 YC BioFounded Dorian Therapeutics Xiaoyang KaoYC Winter 2019Founded Overview Meg NakamuraYC Summer 2014Founded Apto Scott SteberYC Winter 2017Founded Pearl Aaron KaufmanYC Winter 2017Founded KidPass Hans Nyvold KjellbyBatch W18 with SafetyWingFounded SafetyWing Brandon SteelmanYC Summer 2018Founded Clear Gene Akash BakshiYC Winter 2019Founded YourChoice Therapeutics

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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 Kodable, Belanjaparts, iSono Health, Instapath Inc., JetPack Aviation.
Who is in the Y Combinator mafia?: Notable members include Jon Mattingly (Kodable), Elsen Wiraatmadja (Belanjaparts), Shadi Saberi (iSono Health), David Tulman (Instapath Inc.), Boris Jarry (JetPack Aviation), Saroosh Khan (Allia Health), Amie Leighton (Allia Health), Alan Hoffman (Cloudant), among 10,678 tracked members.
What companies did Y Combinator alumni found?: Companies founded by Y Combinator alumni include Kodable, Belanjaparts, iSono Health, Instapath Inc., JetPack Aviation, Allia Health, Cloudant, Billforward, Mobot, Latchel.