People · Operator

JOHN GUSTOFSON

Named in public records as an officer, director or promoter · active 2017–2025 · Pharmaceuticals, Biotech / Pharma, Biotechnology

3
Companies
4
Filings
$28.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Ribometrix, Inc.PharmaceuticalsSeries A$18.5M$464.6M2017
Hyku Biosciences Inc.Biotech / PharmaSeries A$6.6M$17.5M2025
Endlyz Therapeutics, Inc.BiotechnologySeed$3.3M$81.0M2021
Operator network

JOHN GUSTOFSON 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.

Michael Ross · 18 companies · 1 sharedMichael RossJoshua Resnick · 12 companies · 1 sharedJoshua ResnickMichael Solomon · 7 companies · 1 sharedMichael SolomonWilliam Marshall · 6 companies · 1 sharedWilliam MarshallMichael Dial · 4 companies · 1 sharedMichael DialHakan Goker · 2 companies · 1 sharedHakan GokerMike Dial · 2 companies · 1 sharedMike DialKatherine Warner · 1 companies · 1 sharedKatherine WarnerKevin Weeks · 1 companies · 1 sharedKevin WeeksLAURA BRASS · 3 companies · 1 sharedLAURA BRASSKLEEM CHAUDHARY · 2 companies · 1 sharedKLEEM CHAUDHARYLAURA TADVALKAR · 1 companies · 1 sharedLAURA TADVALKARMATTHIAS VAN WOENSEL · 1 companies · 1 sharedMATTHIAS VAN WOEN…Jonathan Behr · 4 companies · 1 sharedJonathan BehrDamian Crowther · 1 companies · 1 sharedDamian CrowtherJoanna Wolak · 1 companies · 1 sharedJoanna WolakZaven Kaprielian · 1 companies · 1 sharedZaven KaprielianRibometrix, Inc. · $18.5M raisedRibometrix, Inc.Hyku Biosciences Inc. · $6.6M raisedHyku Biosciences Inc.Endlyz Therapeutics, Inc. · $3.3M raisedEndlyz Therapeutics, …JOHN GUSTOFSONJG
JOHN GUSTOFSON Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Michael Ross118
Joshua Resnick112
Michael Solomon17
William Marshall16
Jonathan Behr14
Michael Dial14
LAURA BRASS13
Hakan Goker12
KLEEM CHAUDHARY12
Mike Dial12
Katherine Warner11
LAURA TADVALKAR11
MATTHIAS VAN WOENSEL11
Joanna Wolak11
Damian Crowther11
Zaven Kaprielian11
Kevin Weeks11

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.