The Mandiant Mafia
14 people came through Mandiant and went on to found or lead other companies.
Kevin MandiaFounderFounded Armadin +1Kristo KäärmannSenior ManagerFounded Zafran Security +1Jason MellerProduct ManagerFounded Threat Stack +1Dave DeWaltChairmanFounded FireEyeMarshall HeilmanEVP, Managed Defense & Advanced PracticesFounded DTEXDave MerkelVice President, Products and Threat Management ServicesFounded ExpelYanek KorffVice President, Managed Defense (FireEye as a Service)Founded ExpelBrandon ArvanaghiSecurity ConsultantFounded Meow TechnologiesSeth SummersettPrincipal ConsultantFounded Embed SecurityMatt SweeneySenior Director, Mandiant Security ValidationFounded GombocBrian E. RayVP of Engineering - Acquired by GoogleFounded Link LabsJustin BajkoManaging Director, MCIRT OperationsFounded ExpelJeffrey 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 14 people who came through Mandiant and went on to found or lead other companies, including Armadin, Zafran Security, Threat Stack, FireEye, DTEX.
- Who is in the Mandiant mafia?
- Notable members include Kevin Mandia (Armadin), Kristo Käärmann (Zafran Security), Jason Meller (Threat Stack), Dave DeWalt (FireEye), Marshall Heilman (DTEX), Dave Merkel (Expel), Yanek Korff (Expel), Brandon Arvanaghi (Meow Technologies), among 14 tracked members.
- What companies did Mandiant alumni found?
- Companies founded by Mandiant alumni include Armadin, Zafran Security, Threat Stack, FireEye, DTEX, Expel, Meow Technologies, Embed Security, Gomboc, Link Labs.













