People · Operator

Joseph Seibert

Named in public records as an officer, director or promoter · active 2014–2015 · Other Technology

1
Companies
4
Filings
$1.0M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Opia Holdings, Inc.Other TechnologyPre-Seed$1.0M$10.6M2014
Operator network

Joseph Seibert 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.

Thomas Popomaronis · 1 companies · 1 sharedThomas PopomaronisWilliam Popomaronis · 1 companies · 1 sharedWilliam Popomaron…Opia Holdings, Inc. · $1.0M raisedOpia Holdings, Inc.Joseph SeibertJS
Joseph Seibert Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
William Popomaronis11
Thomas Popomaronis11

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.