The Mandiant Mafia
13 people came through Mandiant and went on to found or lead other companies.
Kristo KäärmannSenior ManagerFounded TransferWise +2Kevin MandiaFounderFounded Armadin +1Jason MellerProduct ManagerFounded Threat Stack +1Brandon ArvanaghiSecurity ConsultantFounded Meow +1Dave DeWaltChairmanFounded FireEyeMarshall HeilmanManaging DirectorFounded DtexDave MerkelVice President, Products and Threat Management ServicesFounded ExpelYanek KorffVice President, Managed Defense (FireEye as a Service)Founded ExpelSeth SummersettPrincipal ConsultantFounded Embed SecurityMatt SweeneySenior Director, Mandiant Security ValidationFounded GombocBrian E. RayVP of Engineering - Acquired by GoogleFounded Link LabsJeffrey JohnsVP of Data Science & EngineeringFounded Embed SecurityJonathan CranVice President | Attack Surface ManagementFounded Mallory
Frequently asked questions
- What is the Mandiant mafia?
- The Mandiant mafia is the network of 13 people who came through Mandiant and went on to found or lead other companies, including TransferWise, Armadin, Threat Stack, Meow, FireEye.
- Who is in the Mandiant mafia?
- Notable members include Kristo Käärmann (TransferWise), Kevin Mandia (Armadin), Jason Meller (Threat Stack), Brandon Arvanaghi (Meow), Dave DeWalt (FireEye), Marshall Heilman (Dtex), Dave Merkel (Expel), Yanek Korff (Expel), among 13 tracked members.
- What companies did Mandiant alumni found?
- Companies founded by Mandiant alumni include TransferWise, Armadin, Threat Stack, Meow, FireEye, Dtex, Expel, Embed Security, Gomboc, Link Labs.











