Founder Mafias
639 networks of founders who share a formative employer, fund, or school — the people who worked or studied somewhere together, then went on to found companies.
Company mafias
Stripe83 foundersAirbnb57 foundersCoinbase51 foundersOpenAI50 foundersScale AI42 foundersDropbox36 foundersCruise32 foundersSouthparkcommons32 foundersBrex29 foundersUdacity28 foundersVirginia Tech27 foundersDatadog26 foundersShopify26 foundersRobinhood25 foundersZynga23 foundersDoorDash22 foundersInstacart22 foundersDatabricks20 foundersElectronic Arts20 foundersHubSpot19 foundersWaymo18 foundersGeneral Assembly17 foundersGoogle Deepmind17 foundersLeaders In Tech17 foundersAngelList16 foundersSamsara16 foundersTwitch16 foundersCreative Destruction Lab15 foundersRappi15 foundersbuildspace14 foundersGusto13 foundersNotion13 foundersDoorDash12 foundersFlexport12 foundersMercor12 foundersVercel12 foundersVerkada12 foundersCapgemini11 foundersHandshake11 foundersRetool11 foundersAddepar10 foundersMercury10 foundersNubank10 foundersOptimizely10 foundersAffirm9 foundersAirtable9 foundersAsana9 foundersEpic9 foundersEventbrite9 foundersFaire9 foundersPulley9 foundersZoox9 foundersAlchemy8 foundersAmplitude8 foundersAstranis8 foundersCarta8 foundersMixpanel8 foundersPlaid8 foundersStrava8 foundersUnitedHealth Group8 foundersWorkOS8 foundersAurora7 foundersClass DoJo7 foundersConfluent7 foundersDuolingo7 foundersExpedia Group7 foundersJuniper Networks7 foundersKalshi7 foundersMoonPay7 foundersPostHog7 foundersReddit7 foundersVapi7 foundersBoom Supersonic6 foundersClipboard6 foundersCockroach Labs6 foundersDecagon6 foundersForto6 foundersFreenome6 foundersGinkgo Bioworks6 foundersGrowthX6 foundersHackerRank6 foundersHologram6 foundersInstabase6 foundersMintlify6 foundersMux6 foundersOvhcloud6 foundersPatreon6 foundersPaystack6 foundersRad AI6 foundersRelativity Space6 foundersSierra6 foundersSofinnovapartners6 foundersVanta6 foundersVillageglobal6 foundersWebflow6 founders
Fund & firm mafias
Y Combinator8,668 foundersStanford University721 foundersGoldman Sachs180 foundersCarnegie Mellon University168 foundersTechstars153 foundersUber147 foundersImperial College London119 foundersEntrepreneur First62 foundersIntel Corporation55 foundersCisco52 foundersKleiner Perkins51 foundersSouth Park Commons37 foundersDeutsche Bank35 foundersAndreessen Horowitz33 foundersBridgewater Associates32 foundersShopify31 foundersBlackRock24 foundersOrange DAO24 foundersRocket Internet SE23 foundersHSBC21 foundersUBS21 foundersFounders19 foundersGusto18 foundersPear VC18 foundersRamp18 foundersAntler17 founders8VC16 foundersConsenSys15 foundersDorm Room15 foundersAirbus14 foundersContrary14 foundersQueen Mary University of London14 foundersVillage Global14 foundersAddepar13 foundersAmplify Partners13 foundersFidelity Investments13 foundersFirst Round Capital13 foundersCarta12 foundersFlexport12 foundersNational Science Foundation12 foundersPillar VC12 foundersFlagship Pioneering11 foundersGeneral Catalyst11 foundersNew Enterprise Associates (NEA)11 foundersPoint7211 foundersxfactor ventures11 foundersBessemer Venture Partners10 foundersFlatiron Health10 foundersFoundation Capital10 foundersInovia Capital10 foundersKhosla Ventures10 foundersLightspeed Venture Partners10 foundersVirtu Financial10 foundersAlchemist Accelerator9 foundersAtomico9 foundersCapital Factory9 foundersGinkgo Bioworks9 foundersMenlo Ventures9 foundersPlaid9 foundersWind Point Partners9 founders23andMe8 foundersARCH Venture Partners8 foundersConfluent8 foundersEvercore8 foundersJefferies8 foundersMPM BioImpact8 foundersNotable Capital8 foundersSchneider Electric8 foundersStart-Up Chile8 foundersVenrock8 foundersAccion7 foundersBacked7 foundersCultivation Capital7 foundersDocuSign7 foundersFEBE Ventures7 foundersFounders Fund7 foundersG20 Ventures7 foundersGrab7 foundersImprobable7 foundersIndex Ventures7 foundersMoonPay7 foundersN267 foundersOpenSea7 foundersSignalFire7 foundersStandard Chartered Bank7 foundersSusquehanna International Group7 foundersTrue Ventures7 foundersUnknown Ventures7 founders10x Founders6 foundersAccel6 foundersAtlas Venture6 foundersBalderton Capital6 foundersBloccelerate VC6 foundersBosch6 foundersColle Capital Partners6 foundersDataRobot6 foundersExpa6 foundersKraken6 foundersLink Ventures6 foundersLux Capital6 foundersMadrona Venture Group6 foundersMAGIC Fund6 foundersPrimary Venture Partners6 foundersPrime Movers Lab6 foundersRedpoint Ventures6 foundersRoble Ventures6 foundersSofinnova Partners6 foundersThird Rock Ventures6 foundersUdemy6 foundersVersant Ventures6 founders
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University mafias
Massachusetts Institute of Technology464 foundersUniversity of California, Berkeley448 foundersHarvard University283 foundersUniversity of Oxford203 foundersHarvard Business School197 foundersUniversity of Waterloo183 foundersCornell University182 foundersStanford University Graduate School of Business175 foundersColumbia University166 foundersUniversity of Pennsylvania157 foundersUniversity of Cambridge156 foundersGeorgia Institute of Technology155 foundersThe Wharton School154 foundersYale University149 foundersUniversity of Illinois Urbana-Champaign131 foundersUniversity of Michigan114 foundersPrinceton University109 foundersUniversity of Southern California108 foundersDuke University106 foundersUCLA97 foundersUniversity of Washington96 foundersUC San Diego92 foundersUniversity of California, Berkeley, Haas School of Business92 foundersThe University of Texas at Austin91 foundersUniversity of Chicago90 foundersBrown University88 foundersThe London School of Economics and Political Science (LSE)88 foundersUniversity of Toronto79 foundersETH Zürich74 foundersUCL73 foundersDartmouth College70 foundersMcGill University65 foundersNew York University65 foundersNorthwestern University65 foundersNational University of Singapore63 foundersTecnológico de Monterrey63 foundersThe University of British Columbia63 foundersUniversity of Virginia63 foundersIndian Institute of Technology, Bombay62 foundersPurdue University61 foundersUniversity of Maryland61 foundersIndian Institute of Technology, Delhi55 foundersMIT Sloan School of Management54 foundersCaltech53 foundersUniversity of Wisconsin-Madison53 foundersUC Santa Barbara52 foundersHEC Paris51 foundersBoston University50 foundersThe Johns Hopkins University50 foundersÉcole Polytechnique49 foundersINSEAD49 foundersIndian Institute of Technology, Kharagpur45 foundersBrigham Young University44 foundersLondon Business School44 foundersEPFL42 foundersRice University42 foundersBirla Institute of Technology and Science, Pilani41 foundersColumbia Business School40 foundersTel Aviv University39 foundersThe University of Chicago Booth School of Business38 foundersGeorgetown University36 foundersUC Berkeley College of Engineering36 foundersUC Irvine36 foundersZ Fellows36 foundersKing's College London35 foundersNortheastern University34 foundersWestern University33 foundersIndian Institute of Technology, Madras32 foundersWashington University in St. Louis32 foundersCenter for Digital Technology and Management (CDTM)31 foundersCentraleSupélec31 foundersKTH Royal Institute of Technology31 foundersNYU Stern School of Business31 foundersTufts University31 foundersUniversity of California, Davis31 foundersNorthwestern University - Kellogg School of Management30 foundersPenn State University30 foundersNanyang Technological University Singapore29 foundersUNSW29 foundersVanderbilt University29 foundersSanta Clara University28 foundersThe University of Edinburgh28 foundersIndian Institute of Technology, Kanpur27 foundersInternational Baccalaureate26 foundersIvey Business School at Western University26 foundersThe University of Manchester26 foundersCopenhagen Business School25 foundersHarvard Kennedy School25 foundersIndian Institute of Technology, Roorkee25 foundersLudwig-Maximilians-Universität München25 foundersPontificia Universidad Católica de Chile25 foundersQueen's University25 foundersThe Harker School25 foundersTsinghua University25 foundersDelft University of Technology24 foundersEsade24 foundersStuyvesant High School24 foundersThe Ohio State University24 foundersThe Tuck School of Business at Dartmouth24 foundersUniversity of California, San Francisco24 foundersUniversity of Florida24 foundersUniversity of St.Gallen24 foundersUniversity of Sydney24 foundersBabson College23 foundersESCP23 foundersSciences Po23 foundersThe University of North Carolina at Chapel Hill23 foundersUniversity of Michigan College of Engineering23 foundersUniversity of Minnesota23 foundersUniversity of Mumbai23 foundersEmory University22 foundersHarvard Business School Online22 foundersPhillips Exeter Academy22 foundersRutgers University22 foundersTechnion - Israel Institute of Technology22 foundersUniversity of Colorado Boulder22 foundersPeking University21 foundersRensselaer Polytechnic Institute21 foundersTexas A&M University21 foundersThe George Washington University21 foundersUniversidad Politécnica de Madrid21 foundersCalifornia Polytechnic State University-San Luis Obispo20 foundersDelhi Public School - R. K. Puram20 foundersESSEC Business School20 foundersHarvard Law School20 foundersThe Hong Kong University of Science and Technology20 foundersThomas Jefferson High School for Science and Technology20 foundersUniversidad de Los Andes20 foundersUniversity of Amsterdam20 foundersUniversity of Michigan - Stephen M. Ross School of Business20 foundersVellore Institute of Technology20 foundersBoston College19 foundersDTU - Technical University of Denmark19 foundersFGV - Fundação Getulio Vargas19 foundersReichman University19 foundersThe University of Texas at Dallas19 foundersUCLA Anderson School of Management19 foundersUniversity of Notre Dame19 foundersArizona State University18 foundersCarleton University18 foundersIndiana University Bloomington18 foundersNorth Carolina State University18 foundersPolitecnico di Milano18 foundersThe Hebrew University of Jerusalem18 foundersThe University of Queensland18 foundersUniversità Bocconi18 foundersUniversity of California, Santa Cruz18 foundersUniversity of Massachusetts Amherst18 foundersColumbia Engineering17 foundersHarvey Mudd College17 foundersJerome Fisher M&T Program17 foundersKU Leuven17 foundersPhillips Academy17 foundersUniversity of Warwick17 foundersUSP - Universidade de São Paulo17 foundersHarvard Medical School16 foundersImperial Business School16 foundersIndian Institute of Management Ahmedabad16 foundersStockholm School of Economics16 foundersTexas McCombs School of Business16 foundersUniversity of Arizona16 foundersUniversity of Auckland16 foundersUniversity of Leeds16 foundersKarlsruhe Institute of Technology (KIT)15 foundersThe University of Georgia15 foundersTrinity College Dublin15 foundersUniversity of Calgary15 foundersUniversity of Ottawa15 foundersWilfrid Laurier University15 foundersAalto University14 foundersHarvard Business School Executive Education14 foundersIndian Institute of Technology, Guwahati14 foundersInstituto Tecnológico de Buenos Aires14 foundersLeapYear14 foundersLycée Sainte-Geneviève14 foundersMichigan State University14 foundersObafemi Awolowo University14 foundersProd14 foundersRobert College14 foundersSan José State University14 foundersUniversity of Bath14 foundersUniversity of Pittsburgh14 foundersUniversity of Toronto - Rotman School of Management14 foundersConcordia University13 foundersHarvard John A. Paulson School of Engineering and Applied Sciences13 foundersIESE Business School13 foundersIndian School of Business13 foundersRochester Institute of Technology13 foundersStony Brook University13 foundersThe Australian National University13 foundersUniversitat Politècnica de Catalunya13 foundersUniversité Paris Dauphine - PSL13 founders42 Paris12 foundersClaremont McKenna College12 foundersDurham University12 foundersIE Business School12 foundersKøbenhavns Universitet - University of Copenhagen12 foundersLehigh University12 foundersMonta Vista High School12 foundersPierre and Marie Curie University12 foundersSaïd Business School, University of Oxford12 foundersStanford University School of Medicine12 foundersTélécom Paris12 foundersThe Lawrenceville School12 foundersUnited States Military Academy at West Point12 foundersUnited States Naval Academy12 foundersUniversity of Alberta12 foundersUniversity of Cape Town12 foundersAmherst College11 foundersCODE University of Applied Sciences11 foundersCornell Tech11 foundersDuke University - The Fuqua School of Business11 foundersEmory University - Goizueta Business School11 foundersInternational Institute of Information Technology Hyderabad (IIITH)11 foundersKorea Advanced Institute of Science and Technology11 foundersLe Wagon11 foundersLynbrook High School11 foundersMiddlebury College11 foundersMonash University11 foundersSan Diego State University11 foundersSaratoga High School11 foundersSingapore Management University11 foundersSyracuse University11 foundersTechnische Universität Berlin11 foundersTechnische Universität Wien11 foundersThe American University in Cairo11 foundersUniversity at Buffalo11 foundersUniversity of Connecticut11 foundersUniversity of Rochester11 foundersVrije Universiteit Amsterdam (VU Amsterdam)11 foundersWHU – Otto Beisheim School of Management11 foundersBellarmine College Preparatory10 foundersBen-Gurion University of the Negev10 foundersChalmers University of Technology10 foundersFranklin W. Olin College of Engineering10 foundersHasso Plattner Institute10 foundersHorace Mann School10 foundersIllinois Institute of Technology10 foundersIndian Institute of Management Bangalore10 foundersIowa State University10 foundersManage and More by UnternehmerTUM10 foundersNational Taiwan University10 foundersRaffles Institution10 foundersRhode Island School of Design10 foundersSouthern Methodist University10 foundersSt Paul's School10 foundersStanford University School of Engineering10 foundersThe University of Hong Kong10 foundersThe University of Sheffield10 foundersUC Berkeley Management, Entrepreneurship, & Technology (M.E.T.) program10 foundersUniversidad de Chile10 foundersUniversidad Iberoamericana, Ciudad de México10 foundersUniversity of Bristol10 foundersUniversity of California, Riverside10 foundersUniversity of Central Florida10 foundersUniversity of Melbourne10 foundersUniversity of St Andrews10 foundersWU (Vienna University of Economics and Business)10 foundersBabson F.W. Olin Graduate School of Business9 foundersEPITECH - European Institute of Technology9 foundersErasmus University Rotterdam9 foundersfreeCodeCamp9 foundersFudan University9 foundersGeorgetown University McDonough School of Business9 foundersIndiana University - Kelley School of Business9 foundersInstitut Teknologi Bandung9 foundersInstituto Tecnológico Autónomo de México9 foundersKendriya Vidyalaya9 foundersMcMaster University9 foundersMinerva University9 foundersNorth Carolina School of Science and Mathematics9 foundersPomona College9 foundersQuantic School of Business and Technology9 foundersStevens Institute of Technology9 foundersThe Chinese University of Hong Kong9 foundersUniversitat de Barcelona9 foundersUniversité catholique de Louvain9 foundersUniversity of Nottingham9 foundersUniversity of Paris I: Panthéon-Sorbonne9 foundersUniversity of Technology Sydney9 foundersUppsala University9 foundersUSC Marshall School of Business9 foundersWilliam & Mary9 foundersYale School of Management9 foundersYork University9 foundersBaruch College8 foundersBilkent University8 foundersBrandeis University8 foundersCase Western Reserve University8 foundersCollège Stanislas Paris8 foundersDelhi University8 foundersEindhoven University of Technology8 foundersemlyon business school8 foundersFlorida State University8 foundersGeorge Mason University8 foundersGrenoble Ecole de Management8 foundersHarvard-Westlake School8 foundersMission San Jose High School8 foundersNational Institute of Technology Karnataka8 foundersNational Institute of Technology, Tiruchirappalli8 foundersNOLS8 foundersNorwegian University of Science and Technology (NTNU)8 foundersOberlin College8 foundersOregon State University8 foundersPunahou School8 foundersSchulich School of Business - York University8 foundersStanford Continuing Studies8 foundersThe Faculty of Engineering at Lund University8 foundersUniversidad Autónoma de Madrid8 foundersUniversidad Complutense de Madrid8 foundersUniversidad Tecnológica Nacional8 foundersUniversidade Estadual de Campinas8 foundersUniversitat Autònoma de Barcelona8 foundersUniversity of Adelaide8 foundersUniversity of Galway8 foundersUniversity of Glasgow8 foundersUniversity of Illinois Chicago8 foundersUniversity of Nebraska-Lincoln8 foundersUniversity of San Francisco8 foundersUniversity of Southampton8 foundersUniversity of Vermont8 foundersUniversity of Zurich8 foundersUWC South East Asia8 foundersWesleyan University8 foundersZhejiang University8 foundersBar-Ilan University7 foundersBinghamton University7 foundersBoğaziçi University7 foundersDeerfield Academy7 foundersDraper University7 foundersEcole normale supérieure7 foundersEscola Politécnica da USP7 foundersEton College7 foundersGhent University7 foundersGuru Gobind Singh Indraprastha University7 foundersIMD7 foundersInstituto Superior Técnico7 foundersLahore University of Management Sciences7 foundersLund University7 foundersMaastricht University7 foundersManipal Institute of Technology7 foundersMenlo School7 foundersNational Public School7 foundersPlatanus7 foundersPSG College of Technology7 foundersQUT (Queensland University of Technology)7 foundersSeoul National University7 foundersShanghai Jiao Tong University7 foundersSimon Fraser University7 foundersStartup School Online7 foundersStartX7 foundersStockholm University7 foundersTexas Academy of Mathematics and Science7 foundersUniversidad de 'San Andrés'7 foundersUniversidad Nacional Autónoma de México7 foundersUniversidad Torcuato Di Tella7 foundersUniversitat Pompeu Fabra7 foundersUniversity College Dublin7 foundersUniversity of Birmingham7 foundersUniversity of Exeter7 foundersUniversity of Hamburg7 foundersUniversity of Lagos7 foundersUniversity of Maryland - Robert H. Smith School of Business7 foundersUniversity of New Hampshire7 foundersUniversity of Oregon7 foundersUniversity of Utah7 foundersUniversity of Vienna7 foundersWake Forest University7 foundersWilliams College7 foundersBaden-Wuerttemberg Cooperative State University (DHBW)6 foundersBeijing Language and Culture University6 foundersBelarusian State University6 foundersBirla Institute of Technology and Science, Pilani - Goa Campus6 foundersBrigham Young University Marriott School of Business6 foundersBudapest University of Technology and Economics6 foundersCambridge Judge Business School6 foundersCarnegie Mellon University School of Computer Science6 foundersCEMS - The Global Alliance in Management Education6 foundersClarkson University6 foundersColorado State University6 foundersColumbia College, Columbia University6 foundersCovenant University6 foundersCupertino High School6 foundersDrexel University6 foundersFlatiron School6 foundersFreie Universität Berlin6 foundersGunn High School6 foundersIllinois Mathematics and Science Academy6 foundersIndian Institute of Management, Calcutta6 foundersINSA Lyon - Institut National des Sciences Appliquées de Lyon6 foundersInsper Instituto de Ensino e Pesquisa6 foundersISAE-SUPAERO6 foundersJohns Hopkins Whiting School of Engineering6 foundersLakeside School6 foundersLazaridis School of Business & Economics at Wilfrid Laurier University6 foundersLoyola Marymount University6 foundersLycée Henri IV6 foundersLycée Louis-le-Grand6 foundersOxford Brookes University6 foundersReforge6 foundersRose-Hulman Institute of Technology6 foundersRWTH Aachen University6 foundersRyerson University6 foundersSemester At Sea / ISE6 foundersSharif University of Technology6 foundersStanford Law School6 foundersStrathmore University6 foundersTaras Shevchenko National University of Kyiv6 foundersThe Cathedral and John Connon School6 foundersThe Gwinnett School of Mathematics, Science, and Technology (GSMST)6 foundersThe University of Alabama6 foundersThe University of Kansas6 foundersTilburg University6 foundersTorrey Pines High School6 foundersTulane University6 foundersUniversidad Carlos III de Madrid6 foundersUniversidad del Pacífico (PE)6 foundersUniversité Paris Cité6 foundersUniversity of Buenos Aires6 foundersUniversity of California, Berkeley - School of Law6 foundersUniversity of Denver6 foundersUniversity of Houston6 foundersUniversity of Iowa6 foundersUniversity of Missouri-Columbia6 foundersUniversity of Oklahoma6 foundersUniversity of Oslo6 foundersUniversity of Tennessee, Knoxville6 foundersUniversity of Toronto Schools6 foundersUniversity of Victoria6 foundersVlerick Business School6 foundersWashington University School of Medicine in St. Louis6 foundersWorcester Polytechnic Institute6 foundersX-HEC Entrepreneurs6 foundersYale Law School6 founders