People · Operator

William Stamm

Named in public records as an officer, director or promoter · active 2021–2022 · Energy Conservation

1
Companies
2
Filings
$4.5M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
60Hertz IncEnergy ConservationSeed$4.5M$16.7M2021
Operator network

William Stamm 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.

Gerd Goette · 6 companies · 1 sharedGerd GoetteSusan Preston · 4 companies · 1 sharedSusan PrestonJohn Harper · 3 companies · 1 sharedJohn HarperMark Hormann · 2 companies · 1 sharedMark HormannMorgan DeFoort · 2 companies · 1 sharedMorgan DeFoortPiper Foster Wilder · 1 companies · 1 sharedPiper Foster Wild…Piper Wilder · 1 companies · 1 sharedPiper WilderTonya James · 1 companies · 1 sharedTonya JamesWhitney Gantt · 1 companies · 1 sharedWhitney Gantt60Hertz Inc · $4.5M raised60Hertz IncWilliam StammWS
William Stamm Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Gerd Goette16
Susan Preston14
John Harper13
Mark Hormann12
Morgan DeFoort12
Tonya James11
Whitney Gantt11
Piper Foster Wilder11
Piper Wilder11

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.