People · Operator

Mark Blackburn

Named in public records as an officer, director or promoter · active 2013–2013 · Other

1
Companies
1
Filings
$40.0M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
ComplexCare Holdings, Inc.OtherSeries B$40.0M$664.6M2013
Operator network

Mark Blackburn 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.

John Randazzo · 1 companies · 1 sharedJohn RandazzoComplexCare Holdings, Inc. · $40.0M raisedComplexCare Holdings,…Mark BlackburnMB
Mark Blackburn Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
John Randazzo11

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.