The Department of Homeland Security Mafia
9 people came through Department of Homeland Security and went on to found or lead other companies.
Joah SpearmanPrincipal SpeechwriterFounded SXSW +2Yisroel BrumerAAAS Homeland Security FellowFounded Zephyr AI +1George NgData Solutions ConsultantFounded Ggwp +1Gary S. MiliefskyFounding MemberFounded NetClarity +1Dave DeWaltVice Chairman, CISA Advisory Council, Department of Homeland SecurityFounded FireEyeFederico BaradelloLaw ClerkFounded FinalisLeon JacobsonRisk Management SpecialistFounded NerveliSteph SpeirsSpecial Assistant, Office of the SecretaryFounded SolsticeDave JohnsonChemical EngineerFounded Icarus Medical
Frequently asked questions
- What is the Department of Homeland Security mafia?
- The Department of Homeland Security mafia is the network of 9 people who came through Department of Homeland Security and went on to found or lead other companies, including SXSW, Zephyr AI, Ggwp, NetClarity, FireEye.
- Who is in the Department of Homeland Security mafia?
- Notable members include Joah Spearman (SXSW), Yisroel Brumer (Zephyr AI), George Ng (Ggwp), Gary S. Miliefsky (NetClarity), Dave DeWalt (FireEye), Federico Baradello (Finalis), Leon Jacobson (Nerveli), Steph Speirs (Solstice), among 9 tracked members.
- What companies did Department of Homeland Security alumni found?
- Companies founded by Department of Homeland Security alumni include SXSW, Zephyr AI, Ggwp, NetClarity, FireEye, Finalis, Nerveli, Solstice, Icarus Medical.






