People · Operator

Mark Greisiger

Named in public records as an officer, director or promoter · active 2022–2022 · Cybersecurity

1
Companies
1
Filings
$10.0M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Surefire Cyber Inc.—CybersecuritySeries A$10.0M$163.3M2022
Operator network

Mark Greisiger at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.

Donald Dixon · 7 companies · 1 sharedDonald DixonAndrew McClure · 2 companies · 1 sharedAndrew McClureCynthia Gula · 2 companies · 1 sharedCynthia GulaWilliam Gouveia · 1 companies · 1 sharedWilliam GouveiaSurefire Cyber Inc. · $10.0M raisedSurefire Cyber Inc.Mark GreisigerMG
Mark Greisiger Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside Mark Greisiger on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
Donald Dixon17
Andrew McClure12
Cynthia Gula12
William Gouveia11

People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.