People · Operator

Mark J. Gergen

Named in public records as an officer, director or promoter · active 2009–2023 · Biotechnology

2
Companies
2
Filings
$236.8M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Poseida Therapeutics, Inc.BiotechnologySeries D+$231.8M$369.6M2023
Psylin Neurosciences IncBiotechnologySeries A$5.0M$180.8M2009
Operator network

Mark J. Gergen 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 GergenBrent J. Warner · 2 companies · 1 sharedBrent J. WarnerCatherine J. Mackey · 2 companies · 1 sharedCatherine J. Mack…Charles M. Baum · 2 companies · 1 sharedCharles M. BaumLars Ekman · 2 companies · 1 sharedLars EkmanAdrian 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. LeonhardtJohanna M. Mylet · 1 companies · 1 sharedJohanna M. MyletJohn B. Schmid · 1 companies · 1 sharedJohn B. SchmidJohn J. Schmid · 1 companies · 1 sharedJohn J. SchmidKristin J. Yarema · 1 companies · 1 sharedKristin J. YaremaLuke M. Corning · 1 companies · 1 sharedLuke M. CorningMarcea Bland Lloyd · 1 companies · 1 sharedMarcea Bland LloydMarcea B. Lloyd · 1 companies · 1 sharedMarcea B. LloydMatthew Spear · 1 companies · 1 sharedMatthew SpearNishan De Silva · 1 companies · 1 sharedNishan De SilvaMichael Hanley · 5 companies · 1 sharedMichael HanleyEmer Leahy · 2 companies · 1 sharedEmer LeahyHENRY G. JARECKI · 1 companies · 1 sharedHENRY G. JARECKIPoseida Therapeutics, Inc. · $231.8M raisedPoseida Therapeutics,…Psylin Neurosciences Inc · $5.0M raisedPsylin Neurosciences …Mark J. GergenMG
Mark J. Gergen Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Hirsch116
Michael Hanley15
Mark Gergen13
Charles M. Baum12
Lars Ekman12
Catherine J. Mackey12
Brent J. Warner12
Emer Leahy12
Kristin J. Yarema11
John B. Schmid11
Rafael J. Amado11
John J. Schmid11
Noah J. Berkowitz11
Marcea Bland Lloyd11
Sean J. Murphy11
Matthew Spear11
Adrian Howd11
Robert Lyons11
HENRY G. JARECKI11
WILLIAM E. ROTE11

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.