People · Operator

William Baumgart

Named in public records as an officer, director or promoter · active 2011–2011 · Other Technology

1
Companies
1
Filings
$375K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Groundswell L.L.C.Other TechnologyPre-Seed$375K$15.9M2011
Operator network

William Baumgart 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.

Timothy Ellis · 2 companies · 1 sharedTimothy EllisDon Stivers · 1 companies · 1 sharedDon StiversRivet Production And Design, L.L.C. · 1 companies · 1 sharedRivet Production …Groundswell L.L.C. · $0.4M raisedGroundswell L.L.C.William BaumgartWB
William Baumgart Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Timothy Ellis12
Rivet Production And Design, L.L.C.11
Don Stivers11

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.