People · Operator

Joseph Johnson

Named in public records as an officer, director or promoter · active 2019–2024 · Other, Cybersecurity

3
Companies
8
Filings
$41.8M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Whisker Acquisition Company, LLCOtherSeries B$15.7M$260.9M2019
Ostra Cybersecurity, Inc.CybersecuritySeries A$14.4M$11.3M2020
Duco-Shamrock Holdings, LLCOtherSeries A$11.8M$48.5M2024
Operator network

Joseph Johnson 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.

Jan-Dirk Lueders · 2 companies · 1 sharedJan-Dirk LuedersScott Casto · 2 companies · 1 sharedScott CastoSeth Barkett · 1 companies · 1 sharedSeth BarkettMichael Kennedy · 10 companies · 1 sharedMichael KennedyJeremy L. Friese · 3 companies · 1 sharedJeremy L. FrieseMichael Jennings · 2 companies · 1 sharedMichael JenningsAndrew Tewksbury · 1 companies · 1 sharedAndrew TewksburyChris L. Trapp · 1 companies · 1 sharedChris L. TrappJeffrey Cowan · 1 companies · 1 sharedJeffrey CowanJeffrey D. Cowan · 1 companies · 1 sharedJeffrey D. CowanJoseph D. Johnson · 1 companies · 1 sharedJoseph D. JohnsonMichael D. Kennedy · 1 companies · 1 sharedMichael D. KennedyMichael L. Jennings · 1 companies · 1 sharedMichael L. Jennin…Sean Donaldson · 1 companies · 1 sharedSean DonaldsonSean L. Donaldson · 1 companies · 1 sharedSean L. DonaldsonRyan Johnson · 9 companies · 1 sharedRyan JohnsonPaul Meyering · 3 companies · 1 sharedPaul MeyeringRyan Alberg · 3 companies · 1 sharedRyan AlbergCaleb Schmidt · 2 companies · 1 sharedCaleb SchmidtMitch Nelson · 2 companies · 1 sharedMitch NelsonAdam Shaffer · 1 companies · 1 sharedAdam ShafferWhisker Acquisition Company, LLC · $15.7M raisedWhisker Acquisition C…Ostra Cybersecurity, Inc. · $14.4M raisedOstra Cybersecurity, …Duco-Shamrock Holdings, LLC · $11.8M raisedDuco-Shamrock Holding…Joseph JohnsonJJ
Joseph Johnson Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Michael Kennedy110
Ryan Johnson19
Paul Meyering13
Ryan Alberg13
Jeremy L. Friese13
Mitch Nelson12
Michael Jennings12
Scott Casto12
Jan-Dirk Lueders12
Caleb Schmidt12
Adam Shaffer11
Seth Barkett11
Andrew Tewksbury11
Jeffrey Cowan11
Sean Donaldson11
Sean L. Donaldson11
Michael L. Jennings11
Michael D. Kennedy11
Jeffrey D. Cowan11
Chris L. Trapp11

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.