The Columbia Business School Mafia
309 people studied at Columbia Business School and went on to found or lead other companies.
Brandon KesslerMBAFounded DevpostSteve ShillingfordMBAFounded DeepSeeKatherine DuanMaster of Business Administration - MBAFounded BrixValerie DejaeghereEmbedding Strategic Excellence - Executive Program with Columbia Business School and ExecOnline, IncFounded QpinchDavid RosenbergMBAFounded AeroFarmsAlejandro Buffo SempéMBA, Executive programFounded Giraffe BioKagisho MasaeDigital Strategies for Business: Leading the next generation enterpriseFounded Matric LiveRien KammanMaster of Business Administration (M.B.A.)Founded SourceKen RuggieroMBAFounded AscentfundingAditya JainMaster of Business Administration (MBA)Founded Polyborg AICory LintonMBAFounded EdifyKristin PeckMaster of Business Administration (MBA)Founded ZoetisEran MellerMBAFounded EcoppiaJennifer TuftMaster of Business Administration - MBAFounded KaleidocoYudai MatsuokaMaster of Business Administration - MBAFounded AsakanaArlyn DavichMBA | Winner Lang Fund for EntrepreneurshipFounded PayperksPrasanna SundararajanMBAFounded rENIACManuel WiechersECLA. Certificate in Operational ExcellenceFounded POPULAR POWERDavid ChiManagement science and EngineeringFounded Beta UniversityMarty RingleinExecutive MBAFounded AgreeChris HunterMBAFounded Galoy
Frequently asked questions
- What is the Columbia Business School mafia?
- The Columbia Business School mafia is the network of 309 people who studied at Columbia Business School and went on to found or lead other companies, including Devpost, DeepSee, Brix, Qpinch, AeroFarms.
- Who is in the Columbia Business School mafia?
- Notable members include Brandon Kessler (Devpost), Steve Shillingford (DeepSee), Katherine Duan (Brix), Valerie Dejaeghere (Qpinch), David Rosenberg (AeroFarms), Alejandro Buffo Sempé (Giraffe Bio), Kagisho Masae (Matric Live), Rien Kamman (Source), among 309 tracked members.
- What companies did Columbia Business School alumni found?
- Companies founded by Columbia Business School alumni include Devpost, DeepSee, Brix, Qpinch, AeroFarms, Giraffe Bio, Matric Live, Source, Ascentfunding, Polyborg AI.



















