People · Operator

Brian Sadowski

Named in public records as an officer, director or promoter · active 2012–2012 · Other Technology

1
Companies
1
Filings
$2.3M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Mercury Payment Systems, LlcOther TechnologySeed$2.3M$76.7M2012
Operator network

Brian Sadowski 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.

Charles Giancarlo · 9 companies · 1 sharedCharles GiancarloJeffrey Katz · 3 companies · 1 sharedJeffrey KatzJoe Osnoss · 2 companies · 1 sharedJoe OsnossKarsten Voermann · 2 companies · 1 sharedKarsten VoermannMarc Katz · 2 companies · 1 sharedMarc KatzMatt Taylor · 2 companies · 1 sharedMatt TaylorRoss Agre · 2 companies · 1 sharedRoss AgreGlenn Hutchins · 1 companies · 1 sharedGlenn HutchinsLarry Stone · 1 companies · 1 sharedLarry StoneMike Afergan · 1 companies · 1 sharedMike AferganMike Bingle · 1 companies · 1 sharedMike BingleRobert Frankfurt · 1 companies · 1 sharedRobert FrankfurtMercury Payment Systems, Llc · $2.3M raisedMercury Payment Syste…Brian SadowskiBS
Brian Sadowski Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Charles Giancarlo19
Jeffrey Katz13
Marc Katz12
Joe Osnoss12
Karsten Voermann12
Matt Taylor12
Ross Agre12
Larry Stone11
Mike Afergan11
Glenn Hutchins11
Mike Bingle11
Robert Frankfurt11

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.