The Underscore VC Mafia
19 people came through Underscore VC and went on to found or lead other companies.
Mike MassaroCEO of FlywireFounded FlywireJeremiah BrazeauCore PartnerFounded Hi MarleyJohn PearcePartnerFounded DemandwareDries BuytaertFounder of Acquia & DrupalFounded AcquiaCorey ThomasChairman & CEO of Rapid7Founded CloudZeroMaria LoughlinFormer SVP of Engineering at ToastFounded MableMeghan Verena JoyceCEO of DuckbillFounded DuckbillAndy PalmerCo-Founder of TamrFounded TamrAmy VilleneuveBoard Director, Advisor & Past COO and President of Amazon RoboticsFounded REsuretyRana el KalioubyCo-Founder of Affectiva and Former CEO of Smart EyeFounded AffectivaMenno van der ZeeUFirst FellowFounded The Routing CompanyBen JonesBlockchain AssociateFounded OptimismDavid KossnickHead of AI Products at FigmaFounded Latent SpaceChad LauransFounder & Chairman of SimpliSafeFounded SimpliSafeElizabeth LawlerCore PartnerFounded AppmapJohn KennedyCore PartnerFounded ActualRob Gonzalez_Core MemberFounded SalsifyValentina RatnerUFirst FellowFounded AllspiceSam KingCEO of NasuniFounded Nasuni Corp
Frequently asked questions
- What is the Underscore VC mafia?
- The Underscore VC mafia is the network of 19 people who came through Underscore VC and went on to found or lead other companies, including Flywire, Hi Marley, Demandware, Acquia, CloudZero.
- Who is in the Underscore VC mafia?
- Notable members include Mike Massaro (Flywire), Jeremiah Brazeau (Hi Marley), John Pearce (Demandware), Dries Buytaert (Acquia), Corey Thomas (CloudZero), Maria Loughlin (Mable), Meghan Verena Joyce (Duckbill), Andy Palmer (Tamr), among 19 tracked members.
- What companies did Underscore VC alumni found?
- Companies founded by Underscore VC alumni include Flywire, Hi Marley, Demandware, Acquia, CloudZero, Mable, Duckbill, Tamr, REsurety, Affectiva.

















