Fundraising Fox
The Y Combinator Mafia
10,678 people came through Y Combinator and went on to found or lead other companies.
Adam Paul ArkinYC Summer 2019Founded Boost BiomesSébastien ChleqYC Fall 2025Founded DiligenceSquaredRJ PittmanYC Winter 2012Founded MatterportAmir MovafaghiYC Summer 2009Founded MixpanelRyland BirchmeierYC Summer 2026Founded DreamAlexander HalpernYC Summer 2026Founded DreamIan RobertsYC Summer 2014Founded HiveChris GlaceYC Summer 2015Founded FetchRicherd ChanYC Winter 2016Founded PoppyNikhil VadhavkarYC Summer 2016Founded Raptor MapsAayush RaiW19Founded InitoJackson Kibigo KunguYC Winter 2020Founded WorkpayRaghav AroraS 20Founded GETASAPManuel KreutzYC Winter 2021Founded QuicknodeAlexander NabutovskyYC Winter 2021Founded QuicknodeAnurup GanguliFounderFounded VedaBioMohammed RoshanYC Winter 2022Founded GoSatsRoshni AslamYC Winter 2022Founded GoSatsJessica WuYC Summer 2023Founded SolaNeil DeshmukhYC Summer 2023Founded SolaTylerYC Winter 2022Founded PursuitRay MinaYC Summer 2019Founded FreshpaintSophie KitsonYC Summer 2010Founded PagerDutyPrabha DublishYC Summer 2026Founded HubbleAaron LeonYC Summer 2026Founded HubbleMike DesaiStartup SchoolFounded Truentity HealthPeter BaechStartup SchoolFounded KanplaAlexander AtzbergerYC Winter 2010Founded OptimizelyDon JohnsonYC Summer 2010Founded DockerRyan PfefferYC Winter 2012Founded SendHubGabriel NoyaYC Fall 2026Founded LyonHarrison GordonYC Winter 2018Founded Blueberry PediatricsAditya BhatiaYC Winter 2018Founded Orangewood LabsMark StauberYC Winter 2018Founded Jido MapsTianyin ZhangYC Summer 2018Founded DreamCraft Entertainment, Inc.Razaq AhmedYC Summer 2018Founded CowrywiseEdward PopoolaYC Summer 2018Founded CowrywiseManmeet MagguW19Founded Trexo RoboticsSurya PaneerselvamYC Winter 2019Founded Skill-lyncIgnacio Belieres MonteroYC Summer 2019Founded EPIC AEROSPACELeonard BogdonoffYC Winter 2021Founded Milk VideoYahya SyedSummer 2021 BatchFounded PotionOrestis VardoulisYC Summer 2021Founded Zeit MedicalSmiti Bhatt DeorahYC Summer 2021Founded Advantage ClubShiv GettuYC Summer 2021Founded ZumaKendrick BradleyYC Summer 2021Founded ZumaFederico BenavidesAlumniFounded PayCaddyJeff SchnebleYC Summer 2015Founded Human InterestMárcio Vinicius dos SantosYC Winter 2020Founded FacioJoseph WangYC Summer 2023Founded SyntheticFiYao-Wei "Kordan" OuStartup SchoolFounded KryptoGo'Dimeji FalanaCertificateFounded EdvesAlex PetrenkoFounded ZibraShikhar ShresthaEntrepreneurship/Entrepreneurial StudiesFounded Ambient.aiIvan CardenasYC Winter 2020Founded BeGoSteve HaskerYC Summer 2013Founded CasetextManvir KenthYC Summer 2009Founded TuxeboJoachim KrebsYC Summer 2009Founded TuxeboAtif JavedEntrepreneurshipFounded Tarjimly (acquired)Avishay CohenEntrepreneurFounded Anima AppMichal CohenAlumniFounded Anima AppPeter ZhouYC Summer 2019Founded RutterPeter WallachYC Summer 2020Founded SynapticureKevin O'ConnellYC Winter 2021Founded Version Story CompareBen KoskaF25 BatchFounded SF TensorEduardo BohrerYC Winter 2022Founded RTHMAngelo PolicicchioYC Summer 2026Founded Luca IQAkash SadashivapethYC Summer 2026Founded Luca IQSanjeev ChauhanYC Summer 2026Founded Synapse SemiconductorTania RoyYC Summer 2026Founded Synapse SemiconductorJack QiuYC Summer 2026Founded UltrasoniumYiding SongYC Summer 2026Founded Waddle LabsHanming YeYC Summer 2026Founded Waddle LabsEdmond NiuYC Summer 2026Founded AtliaShaan YadavYC Summer 2026Founded AtliaBilgehan AvserYC Summer 2026Founded Applied Electrodynamics, Inc.Brian HuppiYC Summer 2026Founded Applied Electrodynamics, Inc.Paul LeutheuserYC Summer 2026Founded Applied Electrodynamics, Inc.George McLeanYC Summer 2026Founded Applied Electrodynamics, Inc.Andrey GizdovYC Summer 2026Founded OpenVectorVishal UrlamYC Summer 2026Founded OpenVectorDekai LiYC Summer 2026Founded TridentJunaid MahmoodYC Summer 2026Founded TridentDylan KellyYC Summer 2026Founded Amorphic LabsNathan BorshellYC Summer 2026Founded tashJohn OhannesianYC Summer 2026Founded tashVictor ShammasYC Summer 2026Founded tashNicolas SharmaYC Summer 2026Founded tashAnuveer ChadhaYC Summer 2026Founded KaraAarin JhaveriYC Summer 2026Founded KaraArjun LakhanpalYC Summer 2026Founded KaraAnis MihrshahiSummer 2026Founded GutgutgooseLeon MojarrabiGutGutGooseFounded GutgutgooseAlessandro FiumeS 26Founded IMPACT DronesJasper LortijeS26Founded IMPACT DronesMark NourYC Fall 2026Founded Buildbox
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 Boost Biomes, DiligenceSquared, Matterport, Mixpanel, Dream.
- Who is in the Y Combinator mafia?
- Notable members include Adam Paul Arkin (Boost Biomes), Sébastien Chleq (DiligenceSquared), RJ Pittman (Matterport), Amir Movafaghi (Mixpanel), Ryland Birchmeier (Dream), Alexander Halpern (Dream), Ian Roberts (Hive), Chris Glace (Fetch), among 10,678 tracked members.
- What companies did Y Combinator alumni found?
- Companies founded by Y Combinator alumni include Boost Biomes, DiligenceSquared, Matterport, Mixpanel, Dream, Hive, Fetch, Poppy, Raptor Maps, Inito.