People · Operator

Brent J. Warner

Named in public records as an officer, director or promoter · active 2023–2025 · Biotechnology

2
Companies
2
Filings
$316.8M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Poseida Therapeutics, Inc.BiotechnologySeries D+$231.8M$369.9M2023
Protego BiopharmaBiotechnologySeries C$85.0M$179.4M2025
Operator network

Brent J. Warner 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.

David Hirsch · 16 companies · 1 sharedDavid HirschMark Gergen · 3 companies · 1 sharedMark GergenCatherine J. Mackey · 2 companies · 1 sharedCatherine J. Mack…Charles M. Baum · 2 companies · 1 sharedCharles M. BaumLars Ekman · 2 companies · 1 sharedLars EkmanMark J. Gergen · 2 companies · 1 sharedMark J. GergenAdrian Howd · 1 companies · 1 sharedAdrian HowdCynthia M. Collins · 1 companies · 1 sharedCynthia M. CollinsEric Ostertag · 1 companies · 1 sharedEric OstertagHarry J. Leonhardt · 1 companies · 1 sharedHarry J. LeonhardtShelley Chu · 10 companies · 1 sharedShelley ChuEdward Hurwitz · 2 companies · 1 sharedEdward HurwitzEDWARD J. HURWITZ · 2 companies · 1 sharedEDWARD J. HURWITZHELEN J. KIM · 2 companies · 1 sharedHELEN J. KIMHelen Kim · 2 companies · 1 sharedHelen KimJeffery W. Kelly · 2 companies · 1 sharedJeffery W. KellyJeffrey Kelly · 2 companies · 1 sharedJeffrey KellySHELLEY J. CHU · 2 companies · 1 sharedSHELLEY J. CHUEdward W Hurwitz · 1 companies · 1 sharedEdward W HurwitzHANK MICHAEL PETRASSI · 1 companies · 1 sharedHANK MICHAEL PETR…JANWILLEM J. NAESENS · 1 companies · 1 sharedJANWILLEM J. NAES…JEFFERY J. KELLY · 1 companies · 1 sharedJEFFERY J. KELLYPoseida Therapeutics, Inc. · $231.8M raisedPoseida Therapeutics,…Protego Biopharma · $85.0M raisedProtego BiopharmaBrent J. WarnerBW
Brent J. Warner Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Hirsch116
Shelley Chu110
Mark Gergen13
Lars Ekman12
Charles M. Baum12
Edward Hurwitz12
Helen Kim12
Jeffery W. Kelly12
EDWARD J. HURWITZ12
SHELLEY J. CHU12
HELEN J. KIM12
Jeffrey Kelly12
Catherine J. Mackey12
Mark J. Gergen12
LAURA J. BRASS11
JEFFERY J. KELLY11
Marcea Bland Lloyd11
Sean J. Murphy11
Richard Labaudiniere11
Matthew Spear11

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.