People · Operator

Steven G. Birtwistle

Named in public records as an officer, director or promoter · active 2010–2010 · Other Technology

1
Companies
1
Filings
$180K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Visible LLCOther TechnologyPre-Seed$180K$7.6M2010
Operator network

Steven G. Birtwistle 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.

Douglas G. Plasse · 1 companies · 1 sharedDouglas G. PlasseNatascha G. Wallner · 1 companies · 1 sharedNatascha G. Walln…Patrick Curd · 1 companies · 1 sharedPatrick CurdVisible LLC · $0.2M raisedVisible LLCSteven G. BirtwistleSB
Steven G. Birtwistle Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Patrick Curd11
Natascha G. Wallner11
Douglas G. Plasse11

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.