People · Operator

Joe Sum

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

1
Companies
1
Filings
$7.6M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Ziarco, Inc.Other Health CareSeries A$7.6M$153.4M2012
Operator network

Joe Sum 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.

Mark Lampert · 3 companies · 1 sharedMark LampertMatthew Perry · 2 companies · 1 sharedMatthew PerryMichael Yeadon · 1 companies · 1 sharedMichael YeadonWai (Steve) Liu · 1 companies · 1 sharedWai (Steve) LiuZiarco, Inc. · $7.6M raisedZiarco, Inc.Joe SumJS
Joe Sum Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Mark Lampert13
Matthew Perry12
Michael Yeadon11
Wai (Steve) Liu11

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.