People · Operator

John T. Spitznagel

Named in public records as an officer, director or promoter · active 2008–2014 · Biotechnology, Pharmaceuticals

2
Companies
6
Filings
$112.1M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
IRX Therapeutics, Inc.BiotechnologySeries C$109.1M$1.4B2010
Oceana Therapeutics, Inc.PharmaceuticalsSeed$3.0M$114.1M2008
Operator network

John T. Spitznagel 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.

Frank J. Loverro · 3 companies · 1 sharedFrank J. LoverroDavid H. Deming · 2 companies · 1 sharedDavid H. DemingJeffrey Hwang · 2 companies · 1 sharedJeffrey HwangJohn W. Hadden II · 2 companies · 1 sharedJohn W. Hadden IICharles R. Cherington · 1 companies · 1 sharedCharles R. Cherin…Curtis P. Robb · 1 companies · 1 sharedCurtis P. RobbEdmund W. Truell · 1 companies · 1 sharedEdmund W. TruellFerid D. Murad · 1 companies · 1 sharedFerid D. MuradFerid W. Murad · 1 companies · 1 sharedFerid W. MuradGeorge P. Denny III · 1 companies · 1 sharedGeorge P. Denny I…Howard H. Stevenson · 1 companies · 1 sharedHoward H. Stevens…Jeffrey Hwuang · 1 companies · 1 sharedJeffrey HwuangJohn D. Halpern · 1 companies · 1 sharedJohn D. HalpernJohn W. Hadden · 1 companies · 1 sharedJohn W. HaddenLawrence M. Wolf · 1 companies · 1 sharedLawrence M. WolfMark W. Leuchtenberger · 1 companies · 1 sharedMark W. Leuchtenb…Ryan Drant · 24 companies · 1 sharedRyan DrantBrian Halak · 10 companies · 1 sharedBrian HalakAdele Oliva · 9 companies · 1 sharedAdele OlivaRobert More · 7 companies · 1 sharedRobert MoreDavid S. Tierney · 3 companies · 1 sharedDavid S. TierneyAndrew J. Einhorn · 1 companies · 1 sharedAndrew J. EinhornIRX Therapeutics, Inc. · $109.1M raisedIRX Therapeutics, Inc.Oceana Therapeutics, Inc. · $3.0M raisedOceana Therapeutics, …John T. SpitznagelJS
John T. Spitznagel Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Ryan Drant124
Brian Halak110
Adele Oliva19
Robert More17
Frank J. Loverro13
David S. Tierney13
John W. Hadden II12
Jeffrey Hwang12
David H. Deming12
Curtis P. Robb11
John D. Halpern11
Charles R. Cherington11
Mark W. Leuchtenberger11
Edmund W. Truell11
Monil W. Shah11
Andrew J. Einhorn11
Jeffrey Hwuang11
Lawrence M. Wolf11
Ferid W. Murad11
Howard H. Stevenson11

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.