People · Operator

William Holstein

Named in public records as an officer, director or promoter · active 2012–2014 · Pharmaceuticals

1
Companies
2
Filings
$4.8M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Gemmus Pharma Inc.PharmaceuticalsSeed$4.8M$125.5M2012
Operator network

William Holstein 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.

Marc Rubin · 6 companies · 1 sharedMarc RubinLarry Miller · 3 companies · 1 sharedLarry MillerChristopher Dunn · 1 companies · 1 sharedChristopher DunnDaryl Faulds · 1 companies · 1 sharedDaryl FauldsWilliam Guilford · 1 companies · 1 sharedWilliam GuilfordGemmus Pharma Inc. · $4.8M raisedGemmus Pharma Inc.William HolsteinWH
William Holstein Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Marc Rubin16
Larry Miller13
Daryl Faulds11
Christopher Dunn11
William Guilford11

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.