People · Operator

William A. Hagstrom

Named in public records as an officer, director or promoter · active 2008–2015 · Biotechnology, Pharmaceuticals

2
Companies
7
Filings
$171.1M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Crescendo Bioscience, Inc.BiotechnologySeries B$169.8M$1.1B2008
Biolytx Pharmaceuticals CorpPharmaceuticalsSeed$1.3M$50.1M2015
Operator network

William A. Hagstrom 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.

Brook R. Byers · 2 companies · 1 sharedBrook R. ByersGeorge R. Rehm · 2 companies · 1 sharedGeorge R. RehmAmy R. Paye · 1 companies · 1 sharedAmy R. PayeBrook G. Byers · 1 companies · 1 sharedBrook G. ByersGary G. Kurtzman · 1 companies · 1 sharedGary G. KurtzmanGeorge G. Rehm · 1 companies · 1 sharedGeorge G. RehmJack G. Oliver · 1 companies · 1 sharedJack G. OliverJack R. Oliver · 1 companies · 1 sharedJack R. OliverJosh G. Green · 1 companies · 1 sharedJosh G. GreenLarry G. Leisure · 1 companies · 1 sharedLarry G. LeisureLarry R. Leisure · 1 companies · 1 sharedLarry R. LeisureLeon G. Chen · 1 companies · 1 sharedLeon G. ChenMichael R. Goldberg · 1 companies · 1 sharedMichael R. Goldbe…Ralph G. Snyderman · 1 companies · 1 sharedRalph G. SnydermanRalph R. Snyderman · 1 companies · 1 sharedRalph R. SnydermanSue R. Siegel · 1 companies · 1 sharedSue R. SiegelTimothy G. Henn · 1 companies · 1 sharedTimothy G. HennWilliam R. Salisbury · 1 companies · 1 sharedWilliam R. Salisb…Douglas A. Branch · 5 companies · 1 sharedDouglas A. BranchH Anne Pereira · 1 companies · 1 sharedH Anne PereiraCrescendo Bioscience, Inc. · $169.8M raisedCrescendo Bioscience,…Biolytx Pharmaceuticals Corp · $1.3M raisedBiolytx Pharmaceutica…William A. HagstromWH
William A. Hagstrom Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Douglas A. Branch15
George R. Rehm12
Brook R. Byers12
Jack R. Oliver11
Larry R. Leisure11
Sue R. Siegel11
H Anne Pereira11
George G. Rehm11
Ralph G. Snyderman11
Brook G. Byers11
Larry G. Leisure11
Jack G. Oliver11
Josh G. Green11
Timothy G. Henn11
Gary G. Kurtzman11
Leon G. Chen11
Amy R. Paye11
Michael R. Goldberg11
Ralph R. Snyderman11
William R. Salisbury11

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.