Fundraising Fox

Founder Mafias

1,029 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

Harvard Business School323 foundersStripe91 foundersSalesforce88 foundersUniversity of British Columbia80 foundersLinkedIn77 foundersOpenAI68 foundersAirbnb65 foundersCoinbase59 foundersDropbox59 foundersPayPal48 foundersScale AI47 foundersUdacity43 foundersBarclays41 foundersAnthropic38 foundersVirginia Tech36 foundersSouthparkcommons35 foundersBrex34 foundersCruise34 foundersTechnion32 foundersCreative Destruction Lab31 foundersGeneral Assembly30 foundersUber29 foundersRobinhood28 foundersDatadog27 foundersInstagram27 foundersBridgewater Associates26 foundersLeaders In Tech26 foundersRevolut26 foundersDoorDash25 foundersJohnson & Johnson25 foundersAngelList24 foundersElectronic Arts24 foundersZynga24 foundersDatabricks23 foundersInstacart23 foundersTwo Sigma23 foundersCoursera22 foundersCapital One21 foundersFounders Pledge20 foundersHubSpot20 foundersWaymo20 foundersRamp19 foundersZenefits19 foundersGoogle Deepmind18 foundersRappi17 foundersThe Walt Disney Company17 foundersTwitch17 foundersFlipkart16 foundersLockheedmartin16 foundersSamsara16 foundersRaytheon15 foundersbuildspace14 foundersNotion14 foundersVercel14 foundersAddepar13 foundersAmazon13 foundersFlexport13 foundersGusto13 foundersMercor13 foundersPerplexity13 foundersVerkada13 foundersCapgemini12 foundersFreelancer12 foundersOptimizely12 foundersRetool12 foundersUnitedHealth Group12 foundersAffirm11 foundersBlockchain11 foundersDoorDash11 foundersEventbrite11 foundersMercury11 foundersStrava11 foundersSumup11 foundersVerily11 foundersAlchemist10 foundersArm10 foundersDocker10 foundersFlatiron Health10 foundersNubank10 foundersQueensland University of Technology10 foundersRedfin10 founders字节跳动 (ByteDance)10 foundersAirtable9 foundersAsana9 foundersAstranis9 foundersBrightcove9 foundersCognizant9 foundersDeepMind9 foundersEpic9 foundersExpedia Group9 foundersFaire9 foundersFoursquare9 foundersHack Reactor9 foundersJuniper Networks9 foundersLivingsocial9 foundersNutanix9 foundersPaytm9 foundersPulley9 foundersShield AI9 foundersTesla Motors9 foundersZalando9 foundersZoox9 foundersAlchemy8 foundersAmplitude8 foundersCareem8 foundersCarta8 foundersCheckr8 foundersDanone8 foundersDelivery Hero8 foundersFlatiron School8 foundersHandshake8 foundersIronclad8 foundersKalshi8 foundersKraken8 foundersMilkeninstitute8 foundersMixpanel8 foundersPlaid8 foundersRecurse Center8 foundersReddit8 foundersRelativity Space8 foundersSofinnovapartners8 foundersThe Residency8 foundersUcdavis8 foundersVapi8 foundersVeriSign8 foundersWealthsimple8 foundersWorkOS8 foundersAI Fund7 foundersAurora7 foundersAuth07 foundersBlend7 foundersBoardy7 foundersBoom Supersonic7 foundersCircle Medical7 foundersClipboard7 foundersCockroach Labs7 foundersCohere7 foundersConfluent7 foundersConsensys7 foundersForto7 foundersFunding Circle7 foundersGinkgo Bioworks7 foundersGoCardless7 foundersGrab7 foundersHims & Hers7 foundersHologram7 foundersImprobable7 foundersLaunchDarkly7 foundersMake School7 foundersMesosphere7 foundersMoonpay7 foundersMux7 foundersMySpace7 foundersNuro7 foundersOneSignal7 foundersPostHog7 foundersQuantcast7 foundersSierra7 foundersStarbucks7 foundersThermo Fisher Scientific7 foundersTools for Humanity7 foundersUiPath7 foundersWebflow7 foundersWhatnot7 foundersZipline7 foundersAdyen6 foundersAlgolia6 foundersAppfolio6 foundersBaseten6 foundersBenchling6 foundersBoingo Wireless6 foundersCancerresearchuk6 foundersCibo Technologies6 foundersClassDojo6 foundersCleveland Clinic6 foundersComscore6 foundersCursor6 foundersDecagon6 foundersDeloitte Digital6 foundersDuolingo6 foundersEcobee6 foundersEvernote6 foundersExa6 foundersForrester6 foundersFreenome6 foundersGem6 foundersGeneral Atlantic6 foundersGrubhub6 foundersHackerRank6 foundersHeroku6 foundersInformatica6 foundersiRobot6 foundersJust Eat6 foundersKairos6 foundersKarolinska Institutet6 foundersMarqeta6 foundersMatrixpartners6 foundersMD Anderson Cancer Center6 foundersMindBody6 foundersMintlify6 foundersMpmcapital6 foundersNielsen6 foundersOpenSea6 foundersOvhcloud6 foundersOYO6 foundersPatreon6 foundersPaystack6 foundersRad AI6 foundersSafran6 foundersSingleStore6 foundersSkillshare6 foundersSnapdeal6 foundersThe Huffington Post6 foundersVanta6 foundersWeber Shandwick6 foundersWellsfargo6 founders

Fund & firm mafias

Y Combinator8,773 foundersStanford University903 foundersEntrepreneur First599 foundersMcKinsey & Company337 foundersGoldman Sachs249 foundersTechstars238 foundersCarnegie Mellon University231 foundersImperial College London196 foundersUber170 foundersNVIDIA81 foundersCisco69 foundersIntel Corporation69 founders500 Global67 foundersDeutsche Bank57 foundersKleiner Perkins54 foundersThe Boston Consulting Group52 foundersAndreessen Horowitz48 foundersBridgewater Associates41 foundersSouth Park Commons37 foundersShopify33 foundersUBS33 foundersBlackRock32 foundersRocket Internet SE30 foundersHSBC26 foundersFounder Institute25 foundersOrange DAO25 foundersOrange Collective23 foundersAntler22 founders8VC21 foundersConsenSys21 foundersFirst Round Capital21 foundersRamp21 foundersAirbus20 foundersDorm Room20 foundersFounders19 foundersQueen Mary University of London19 foundersAddepar18 foundersEntrepreneurs Roundtable Accelerator (ERA)18 foundersGusto18 foundersPear VC18 foundersxfactor ventures18 foundersBessemer Venture Partners17 foundersContrary17 foundersPillar VC17 foundersWind Point Partners17 foundersAlchemist Accelerator16 foundersGeneral Catalyst16 foundersLightspeed Venture Partners16 foundersPlug and Play Ventures16 foundersThird Rock Ventures16 foundersFEBE Ventures15 foundersFidelity Investments15 foundersInovia Capital15 foundersNational Science Foundation15 foundersSequoia Capital15 foundersFlagship Pioneering14 foundersFrazier Life Sciences14 foundersHAX14 foundersKhosla Ventures14 foundersParthenon14 foundersVillage Global14 foundersAtlas Venture13 foundersBattery Ventures13 foundersCarta13 foundersEvercore13 foundersFlexport13 foundersFoundation Capital13 foundersMenlo Ventures13 foundersAfore Capital12 foundersARCH Venture Partners12 foundersFounders Fund12 foundersNew Enterprise Associates (NEA)12 foundersUnknown Ventures12 foundersAccel11 foundersBenchmark11 foundersGeneral Atlantic11 foundersIndex Ventures11 foundersInsight Partners11 foundersMPM BioImpact11 foundersNEXT Canada11 foundersNODWIN Gaming11 foundersPoint7211 foundersRedpoint Ventures11 foundersUnreasonable11 foundersVenrock11 foundersAmplify Partners10 foundersAtomico10 foundersConfluent10 foundersDefine Ventures10 foundersFounder Collective10 foundersGinkgo Bioworks10 foundersGreylock Partners10 foundersKraken10 foundersNFX10 foundersPlaid10 foundersSand Hill Angels10 foundersSchneider Electric10 foundersSeedcamp10 foundersStandard Chartered Bank10 foundersStart-Up Chile10 foundersStartmate10 foundersStartup Leadership Program10 foundersTrue Ventures10 foundersUdemy10 foundersVirtu Financial10 founders23andMe9 foundersBalderton Capital9 foundersCapital Factory9 foundersConnectivity Ventures9 foundersDepartment of Health and Human Services9 foundersDocuSign9 foundersElsewhere Partners9 foundersEWOR9 foundersFounders Factory9 foundersGrab9 foundersIDEO9 foundersImpellent Ventures9 foundersInvestor9 foundersJefferies9 foundersMadrona Venture Group9 foundersN269 foundersNYU Innovation Venture Fund9 foundersPICUS CAPITAL9 foundersRipple9 foundersSyndicate One9 foundersTeam89 foundersThe Blackstone Group9 foundersVersant Ventures9 founders82VS8 foundersAbbVie8 foundersAI Fund8 foundersBacked8 foundersBill & Melinda Gates Foundation8 foundersBlack Nova VC8 foundersBosch8 foundersCultivation Capital8 foundersExpa8 foundersFirst Circle8 foundersImprobable8 foundersInner Loop Capital8 foundersInternational Finance Corporation8 foundersLux Capital8 foundersMassChallenge8 foundersMercury Fund8 foundersMoonPay8 foundersPrimary Venture Partners8 foundersRedesign Health8 foundersRevolution8 foundersRoble Ventures8 foundersSofinnova Partners8 foundersStartUp Health8 foundersUnusual Ventures8 founders20507 foundersAccion7 foundersAegis Ventures7 foundersBpifrance7 foundersCerberus Capital Management7 foundersColle Capital Partners7 foundersDataRobot7 foundersDCVC (Data Collective)7 foundersDecibel Partners7 foundersEPIC VENTURES7 foundersFlare Capital Partners7 foundersFrazier Healthcare Partners7 foundersFuturesight7 foundersG20 Ventures7 foundersGrishin Robotics7 foundersLink Ventures7 foundersNazca7 foundersNuFund Venture Group7 foundersObvious Ventures7 foundersOpenSea7 foundersOrbiMed7 foundersProject A Ventures7 foundersRed Cell Incubation7 foundersSignalFire7 foundersSUPPLY CHANGE CAPITAL7 foundersSusquehanna International Group7 foundersTidal Ventures7 foundersTrinity Ventures7 foundersUbisoft7 foundersVillage Capital7 founders10x Founders6 foundersAlibaba Group6 foundersAlumni Ventures6 foundersApollo Health Ventures6 foundersArdent Venture6 foundersAsymmetric Capital Partners6 foundersBallistic Ventures6 foundersBloccelerate VC6 foundersBNY Mellon6 foundersCavalry Ventures6 foundersCelonis6 foundersCherry Ventures6 foundersClean Energy Venture6 foundersCorazon Capital6 foundersCrusoe6 foundersDFF Ventures6 foundersDigitalOcean6 foundersDVx Ventures6 foundersEarlybird Venture Capital6 foundersElectric Capital6 foundersEmpactful Capital6 foundersEngie6 foundersEquipmentShare6 foundersfirstminute capital6 foundersFJ Labs6 foundersFresco Capital6 foundersHLM Venture Partners6 foundersMaterial Impact6 foundersMatterScale Ventures6 foundersNAP6 foundersOak HC/FT6 foundersOctopus Ventures6 foundersPantera Capital6 foundersParadigm6 foundersPrime Movers Lab6 foundersRiot Games6 foundersSantander6 foundersScion Life Sciences6 foundersScopely6 foundersSTATION F6 foundersTCV6 foundersThrive Capital6 foundersUpdata Partners6 foundersVoyager Capital6 founders

University mafias

Y Combinator4,716 foundersMassachusetts Institute of Technology546 foundersUniversity of California, Berkeley538 foundersUniversity of Oxford290 foundersStanford University Graduate School of Business267 foundersUniversity of Cambridge256 foundersCornell University218 foundersThe Wharton School209 foundersUniversity of Pennsylvania201 foundersColumbia University200 foundersUniversity of Waterloo200 foundersYale University190 foundersGeorgia Institute of Technology180 foundersPrinceton University160 foundersUniversity of Illinois Urbana-Champaign146 foundersUniversity of Southern California137 foundersUniversity of Michigan136 foundersThe London School of Economics and Political Science (LSE)133 foundersDuke University127 foundersUCLA127 foundersUCL117 foundersUniversity of California, Berkeley, Haas School of Business117 foundersBrown University114 foundersUniversity of Washington114 foundersUC San Diego113 foundersThe University of Texas at Austin106 foundersETH Zürich103 foundersUniversity of Chicago102 foundersUniversity of Toronto101 foundersMIT Sloan School of Management91 foundersDartmouth College90 foundersNational University of Singapore88 foundersNew York University86 foundersHEC Paris83 foundersMcGill University80 foundersNorthwestern University79 foundersPurdue University79 foundersINSEAD78 foundersUniversity of Virginia74 foundersIndian Institute of Technology, Bombay73 foundersTecnológico de Monterrey71 foundersÉcole Polytechnique70 foundersBoston University69 foundersUniversity of Maryland68 foundersCaltech66 foundersColumbia Business School66 foundersIndian Institute of Technology, Delhi66 foundersNorthwestern University - Kellogg School of Management63 foundersUC Santa Barbara61 foundersTel Aviv University60 foundersLondon Business School59 foundersUniversity of Wisconsin-Madison59 foundersThe Johns Hopkins University58 foundersGeorgetown University56 foundersEPFL55 foundersIndian Institute of Technology, Kharagpur55 foundersThe University of Chicago Booth School of Business53 foundersRice University52 foundersKing's College London51 foundersBirla Institute of Technology and Science, Pilani50 foundersNYU Stern School of Business50 foundersBrigham Young University47 foundersHarvard Kennedy School43 foundersNortheastern University43 foundersNanyang Technological University Singapore42 foundersWashington University in St. Louis42 foundersIndian Institute of Technology, Madras41 foundersPenn State University41 foundersThe University of Edinburgh41 foundersKTH Royal Institute of Technology40 foundersThe University of Manchester40 foundersTufts University40 foundersUC Irvine39 foundersUNSW39 foundersCenter for Digital Technology and Management (CDTM)38 foundersZ Fellows37 foundersCentraleSupélec36 foundersCopenhagen Business School36 foundersESCP36 foundersUC Berkeley College of Engineering36 foundersLudwig-Maximilians-Universität München35 foundersSanta Clara University35 foundersSciences Po35 foundersStuyvesant High School35 foundersThe Tuck School of Business at Dartmouth35 foundersTsinghua University35 foundersUCLA Anderson School of Management35 foundersUniversity of Florida35 foundersUniversity of Sydney35 foundersIvey Business School at Western University34 foundersHarvard Law School33 foundersUniversity of Minnesota33 foundersEsade32 foundersQueen's University32 foundersUniversity of St.Gallen32 foundersVanderbilt University32 foundersIndian Institute of Technology, Kanpur31 foundersIndian Institute of Technology, Roorkee31 foundersThe University of North Carolina at Chapel Hill31 foundersPeking University30 foundersStockholm School of Economics30 foundersThomas Jefferson High School for Science and Technology30 foundersDelft University of Technology29 foundersRutgers University29 foundersThe Hebrew University of Jerusalem29 foundersThe Ohio State University29 foundersUniversity of Amsterdam29 foundersUniversity of Bristol29 foundersUniversity of Colorado Boulder29 foundersUniversity of Warwick29 foundersCFA Institute28 foundersEmory University28 foundersHarvard Business School Online28 foundersHarvard Medical School28 foundersPhillips Exeter Academy28 foundersThe George Washington University28 foundersUniversity of California, San Francisco28 foundersUniversity of Mumbai28 foundersUniversity of Notre Dame28 foundersBabson College27 foundersDTU - Technical University of Denmark27 foundersInternational Baccalaureate27 foundersPontificia Universidad Católica de Chile27 foundersReichman University26 foundersRensselaer Polytechnic Institute26 foundersThe Harker School26 foundersUniversidad Politécnica de Madrid26 foundersArizona State University25 foundersBoston College25 foundersESSEC Business School25 foundersIndiana University Bloomington25 foundersTexas A&M University25 foundersDelhi Public School - R. K. Puram24 foundersKU Leuven24 foundersThe Hong Kong University of Science and Technology24 foundersThe University of Queensland24 foundersUniversità Bocconi24 foundersUniversity of Arizona24 foundersUniversity of Melbourne24 foundersUniversity of Michigan - Stephen M. Ross School of Business24 foundersUSP - Universidade de São Paulo24 foundersKarlsruhe Institute of Technology (KIT)23 foundersPhillips Academy23 foundersTrinity College Dublin23 foundersUniversity of Bath23 foundersUniversity of Michigan College of Engineering23 foundersAalto University22 foundersCalifornia Polytechnic State University-San Luis Obispo22 foundersIESE Business School22 foundersPolitecnico di Milano22 foundersUniversidad de Los Andes22 foundersUniversity of Leeds22 foundersVellore Institute of Technology22 foundersColumbia Engineering21 foundersDurham University21 foundersFGV - Fundação Getulio Vargas21 foundersPierre and Marie Curie University21 foundersTexas McCombs School of Business21 foundersUniversity of Massachusetts Amherst21 foundersHarvey Mudd College20 foundersLycée Sainte-Geneviève20 foundersNorth Carolina State University20 foundersStanford University School of Medicine20 foundersUniversity of California, Santa Cruz20 foundersUniversity of St Andrews20 foundersCarleton University19 foundersConcordia University19 foundersHarvard Business School Executive Education19 foundersIndian Institute of Management Ahmedabad19 foundersIndian Institute of Technology, Guwahati19 foundersSingapore Management University19 foundersTélécom Paris19 foundersThe University of Texas at Dallas19 foundersUniversité Paris Dauphine - PSL19 foundersUniversity of Auckland19 foundersDuke University - The Fuqua School of Business18 foundersEmory University - Goizueta Business School18 foundersImperial Business School18 foundersJerome Fisher M&T Program18 foundersLehigh University18 foundersSaïd Business School, University of Oxford18 foundersSan José State University18 foundersUnited States Naval Academy18 foundersUniversitat Politècnica de Catalunya18 foundersUniversity of Ottawa18 foundersUniversity of Rochester18 foundersWHU – Otto Beisheim School of Management18 foundersInternational Institute of Information Technology Hyderabad (IIITH)17 foundersRobert College17 foundersStony Brook University17 foundersThe Lawrenceville School17 foundersThe University of Hong Kong17 foundersThe University of Sheffield17 foundersUniversity of Toronto - Rotman School of Management17 foundersAmherst College16 foundersClaremont McKenna College16 foundersLe Wagon16 foundersLynbrook High School16 foundersMiddlebury College16 foundersMonash University16 foundersMonta Vista High School16 foundersObafemi Awolowo University16 foundersRochester Institute of Technology16 foundersSan Diego State University16 foundersTechnische Universität Berlin16 foundersThe University of Georgia16 foundersUnited States Military Academy at West Point16 foundersUniversity of Calgary16 foundersUniversity of Southampton16 foundersUSC Marshall School of Business16 foundersErasmus University Rotterdam15 foundersIndian School of Business15 foundersInstituto Tecnológico de Buenos Aires15 foundersMichigan State University15 foundersProd15 foundersQuantic School of Business and Technology15 foundersSyracuse University15 foundersUniversity at Buffalo15 foundersUniversity of Alberta15 foundersUniversity of Cape Town15 foundersWilfrid Laurier University15 foundersWU (Vienna University of Economics and Business)15 foundersBabson F.W. Olin Graduate School of Business14 foundersBen-Gurion University of the Negev14 foundersDelhi University14 foundersHorace Mann School14 foundersIndiana University - Kelley School of Business14 foundersInstituto Tecnológico Autónomo de México14 foundersLeapYear14 foundersMission San Jose High School14 foundersSt Paul's School14 foundersUniversidad Iberoamericana, Ciudad de México14 foundersUniversité Paris Cité14 foundersUniversity College Dublin14 foundersUniversity of Birmingham14 foundersUniversity of Pittsburgh14 founders42 Paris13 foundersAustralian Institute of Company Directors13 foundersBellarmine College Preparatory13 foundersChalmers University of Technology13 foundersENS Paris-Saclay13 foundersHarvard John A. Paulson School of Engineering and Applied Sciences13 foundersIndian Institute of Management Bangalore13 foundersIowa State University13 foundersMcMaster University13 foundersNational Taiwan University13 foundersOregon State University13 foundersSaratoga High School13 foundersSouthern Methodist University13 foundersStanford Law School13 foundersUniversity of Paris I: Panthéon-Sorbonne13 foundersWesleyan University13 foundersCornell Tech12 foundersEindhoven University of Technology12 foundersemlyon business school12 foundersEton College12 foundersFranklin W. Olin College of Engineering12 foundersHasso Plattner Institute12 foundersIE Business School12 foundersKendriya Vidyalaya12 foundersLund University12 foundersPomona College12 foundersRaffles Institution12 foundersStanford University School of Engineering12 foundersStevens Institute of Technology12 foundersTechnische Universität Wien12 foundersThe American University in Cairo12 foundersThe Australian National University12 foundersUniversità degli Studi di Padova12 foundersUniversitat de Barcelona12 foundersUniversity of Central Florida12 foundersUniversity of Groningen12 foundersUniversity of Nottingham12 foundersUniversity of Vermont12 foundersUniversity of Virginia Darden School of Business12 foundersVrije Universiteit Amsterdam (VU Amsterdam)12 foundersWorcester Polytechnic Institute12 foundersYale School of Management12 foundersBar-Ilan University11 foundersBaruch College11 foundersCODE University of Applied Sciences11 foundersEcole normale supérieure11 foundersEPITECH - European Institute of Technology11 foundersfreeCodeCamp11 foundersFudan University11 foundersGeorgetown University McDonough School of Business11 foundersIMD11 foundersInstitut Teknologi Bandung11 foundersKøbenhavns Universitet - University of Copenhagen11 foundersKorea Advanced Institute of Science and Technology11 foundersLycée Louis-le-Grand11 foundersNational Institute of Technology, Tiruchirappalli11 foundersNOLS11 foundersOxford Brookes University11 foundersSGH Warsaw School of Economics11 foundersUniversidad Carlos III de Madrid11 foundersUniversidad de Chile11 foundersUniversity of California, Riverside11 foundersUniversity of Connecticut11 foundersUniversity of Exeter11 foundersUniversity of Oregon11 foundersUniversity of San Francisco11 foundersUniversity of Technology Sydney11 foundersUniversity of Vienna11 foundersUniversity of Zurich11 foundersWilliams College11 foundersYork University11 foundersCase Western Reserve University10 foundersCEMS - The Global Alliance in Management Education10 foundersClarkson University10 foundersCollège Stanislas Paris10 foundersCornell Johnson Graduate School of Management10 foundersCovenant University10 foundersFreie Universität Berlin10 foundersGeorge Mason University10 foundersGhent University10 foundersHarvard-Westlake School10 foundersIllinois Institute of Technology10 foundersISAE-SUPAERO10 foundersLycée Janson-de-Sailly10 foundersManage and More by UnternehmerTUM10 foundersManipal Institute of Technology10 foundersNorth Carolina School of Science and Mathematics10 foundersPunahou School10 foundersReforge10 foundersRhode Island School of Design10 foundersShanghai Jiao Tong University10 foundersSharif University of Technology10 foundersStockholm University10 foundersThe Chinese University of Hong Kong10 foundersThe University of Kansas10 foundersTongji University10 foundersUC Berkeley Management, Entrepreneurship, & Technology (M.E.T.) program10 foundersUniversidad de 'San Andrés'​10 foundersUniversidad Tecnológica Nacional10 foundersUniversitat Pompeu Fabra10 foundersUniversité catholique de Louvain10 foundersUniversity of Adelaide10 foundersUniversity of Buenos Aires10 foundersUniversity of Glasgow10 foundersUniversity of Helsinki10 foundersUniversity of Houston10 foundersUniversity of Illinois Chicago10 foundersUniversity of Miami10 foundersUniversity of Nebraska-Lincoln10 foundersUppsala University10 foundersWilliam & Mary10 foundersYale Law School10 foundersBinghamton University9 foundersBowdoin College9 foundersBrandeis University9 foundersCambridge Judge Business School9 foundersGrenoble Ecole de Management9 foundersIllinois Mathematics and Science Academy9 foundersKauffman Fellows9 foundersKeio University9 foundersMaastricht University9 foundersMenlo School9 foundersMinerva University9 foundersNational Institute of Technology Karnataka9 foundersNational Public School9 foundersNorwegian University of Science and Technology (NTNU)9 foundersRMIT University9 foundersSchulich School of Business - York University9 foundersSeoul National University9 foundersStanford Continuing Studies9 foundersSwarthmore College9 foundersThe Faculty of Engineering at Lund University9 foundersTilburg University9 foundersTulane University9 foundersUniversidad Complutense de Madrid9 foundersUniversidad Torcuato Di Tella9 foundersUniversidade Estadual de Campinas9 foundersUniversitat Autònoma de Barcelona9 foundersUniversité Paris-Saclay9 foundersUniversity of California, Berkeley - School of Law9 foundersUniversity of Delaware9 foundersUniversity of Galway9 foundersUniversity of Iowa9 foundersUniversity of Victoria9 foundersUniversity of York9 foundersVillanova University9 foundersWake Forest University9 foundersZhejiang University9 foundersAmerican University of Beirut8 foundersBentley University8 foundersBilkent University8 foundersDeerfield Academy8 foundersDrexel University8 foundersDublin City University8 foundersEscola Politécnica da USP8 foundersFlorida State University8 foundersGrowthX®8 foundersHarvard T.H. Chan School of Public Health8 foundersHEC Montréal8 foundersHwa Chong Institution8 foundersIndian Institute of Management, Calcutta8 foundersInstituto Superior Técnico8 foundersKing's College School Wimbledon8 foundersLahore University of Management Sciences8 foundersLycée Henri IV8 foundersMarquette University8 foundersNew York University School of Law8 foundersOberlin College8 foundersQuestrom School of Business, Boston University8 foundersRyerson University8 foundersSimon Fraser University8 foundersStartX8 foundersThe International School Bangalore8 foundersThe Open University8 foundersThe University of Alabama8 foundersUNC Kenan-Flagler Business School8 foundersUniversidad Autónoma de Madrid8 foundersUniversity of Hamburg8 foundersUniversity of Lagos8 foundersUniversity of Maryland - Robert H. Smith School of Business8 foundersUniversity of New Hampshire8 foundersUniversity of Oklahoma8 foundersUniversity of Oslo8 foundersUniversity of Toronto Schools8 foundersUniversity of Utah8 foundersUniversity of Warwick - Warwick Business School8 foundersUW Foster School of Business8 foundersUWC South East Asia8 foundersVictoria University of Wellington8 foundersWashington State University8 foundersYale School of Medicine8 foundersAmerican University7 foundersArts et Métiers - École Nationale Supérieure d'Arts et Métiers7 foundersBaden-Wuerttemberg Cooperative State University (DHBW)7 foundersBelarusian State University7 foundersBucknell University7 foundersCarnegie Mellon University - Tepper School of Business7 foundersCESA7 foundersColgate University7 foundersColorado State University7 foundersCupertino High School7 foundersDavidson College7 foundersDelhi College of Engineering7 foundersGeorgetown Law7 foundersGrinnell College7 foundersGunn High School7 foundersGuru Gobind Singh Indraprastha University7 foundersHHL Leipzig Graduate School of Management7 foundersHigher School of Economics7 foundersHKUST Business School7 foundersHult International Business School7 foundersIndian Institute of Technology (Banaras Hindu University), Varanasi7 foundersINSA Lyon - Institut National des Sciences Appliquées de Lyon7 foundersITMO University7 foundersLycée Hoche7 foundersMiami University7 foundersMontgomery Blair High School7 foundersMoscow Institute of Physics and Technology (State University) (MIPT)7 foundersNewcastle University7 foundersParis-Pantheon-Assas University7 foundersPolytechnique Montréal7 foundersPSG College of Technology7 foundersRotterdam School of Management, Erasmus University7 foundersRWTH Aachen University7 foundersSaint Petersburg State University7 foundersSan Francisco University High School7 foundersSingapore American School7 foundersSolvay Brussels School of Economics and Management7 foundersStartup School Online7 foundersStrathmore University7 foundersTaras Shevchenko National University of Kyiv7 foundersTexas Academy of Mathematics and Science7 foundersThe College of Management Academic Studies7 foundersThe Lauder Institute - University of Pennsylvania7 foundersThe Open University of Israel7 foundersThe University of Tokyo7 foundersThe University of Western Australia7 foundersTorrey Pines High School7 foundersUMN Carlson School of Management7 foundersUniversidad Adolfo Ibáñez7 foundersUniversidad del Pacífico (PE)7 foundersUniversidad Nacional Autónoma de México7 foundersUniversidad Pontificia Comillas7 foundersUniversity of Aberdeen7 foundersUniversity of Canterbury7 foundersUniversity of Chicago Law School7 foundersUniversity of Denver7 foundersUniversity of Haifa7 foundersUniversity of London7 foundersUniversity of Michigan Law School7 foundersUniversity of South Florida7 foundersUniversity of Stuttgart7 foundersUniversity of Tennessee, Knoxville7 foundersUniversity of the Arts London7 foundersUtrecht University7 foundersX-HEC Entrepreneurs7 foundersYonsei University7 foundersAarhus University6 foundersAcademy of Art University6 foundersAlma Mater Studiorum – Università di Bologna6 foundersArchbishop Mitty High School6 foundersAteneo de Manila University6 foundersBarnard College6 foundersBaylor University6 foundersBeihang University6 foundersBeijing Language and Culture University6 foundersBeijing Normal University6 foundersBirla Institute of Technology and Science, Pilani - Goa Campus6 foundersBoston College Carroll School of Management6 foundersBrigham Young University Marriott School of Business6 foundersCarleton College6 foundersCarnegie Mellon University School of Computer Science6 foundersCentrale Lyon6 foundersCity University of Hong Kong6 foundersClemson University6 foundersCollège des Ingénieurs6 foundersColumbia College, Columbia University6 foundersCranfield University6 foundersCrescent School6 foundersDev Bootcamp6 foundersDraper University6 foundersÉcole nationale des ponts et chaussées6 foundersEDHEC Business School6 foundersENSAE Paris6 foundersENSTA6 foundersEstonian Business School6 foundersFAU Erlangen-Nürnberg6 foundersHamilton College6 foundersHarvard Extension School6 foundersHarvard University Graduate School of Design6 foundersHaverford College6 foundersHEC Lausanne - The Faculty of Business and Economics of the University of Lausanne6 foundersHyper Island6 foundersIAE Business School6 foundersIndian Institute of Science (IISc)6 foundersInsper Instituto de Ensino e Pesquisa6 foundersKansas State University6 foundersLakeside School6 foundersLancaster University6 foundersLazaridis School of Business & Economics at Wilfrid Laurier University6 foundersLinköping University6 foundersLoughborough University6 foundersLoyola Marymount University6 foundersLycée Saint Louis6 foundersMarianopolis College6 foundersMiddlesex University6 foundersMilton Academy6 foundersMines Paris - PSL6 foundersModern School6 foundersMotilal Nehru National Institute Of Technology6 foundersNewton South High School6 foundersNorthumbria University6 foundersPalo Alto High School6 foundersPepperdine Graziadio Business School6 foundersPine Crest School6 foundersPolitecnico di Torino6 foundersRose-Hulman Institute of Technology6 foundersRoyal College of Art6 foundersShanmugha Arts, Science, Technology and Research Academy6 foundersSmith School of Business at Queen's University6 foundersSOAS University of London6 foundersSorbonne Université6 foundersSt. Mark's School of Texas6 foundersSt. Xavier's College6 foundersTechnische Universität Darmstadt6 foundersTeknillinen korkeakoulu-Tekniska högskolan6 foundersThe Cathedral and John Connon School6 foundersThe Gwinnett School of Mathematics, Science, and Technology (GSMST)6 foundersThe University of Texas at Arlington6 foundersThunderbird School of Global Management6 foundersUADE6 foundersUniversidad de Granada6 foundersUniversitat Politècnica de València (UPV)6 foundersUniversité de Montréal6 foundersUniversité Paris-Sorbonne6 foundersUniversity at Albany6 foundersUniversity of Antwerp6 foundersUniversity of Benin6 foundersUniversity of Cincinnati6 foundersUniversity of Mannheim6 foundersUniversity of Staffordshire6 foundersUniversity of Tartu6 foundersUniversity of the Witwatersrand6 foundersUpper Canada College6 foundersVanderbilt University Owen Graduate School of Management6 foundersVisvesvaraya Technological University6 foundersVlerick Business School6 foundersWashington University School of Medicine in St. Louis6 foundersWellesley College6 foundersWinchester College6 foundersYerevan State University6 founders

Frequently asked questions

What is a startup mafia?
A startup mafia is a network of founders who share a formative employer, investment firm, or school — people who worked or studied somewhere together and went on to found companies. The best-known example is the PayPal mafia. Fundraising Fox tracks 1,029 of them from public career data.
What are the biggest startup mafias?
By tracked founders: the Y Combinator mafia (8,773 members), the Y Combinator mafia (4,716 members), the Stanford University mafia (903 members), the Entrepreneur First mafia (599 members), the Massachusetts Institute of Technology mafia (546 members), the University of California, Berkeley mafia (538 members).