People · Operator

Gerald Klein

Named in public records as an officer, director or promoter · active 2009–2012 · Pharmaceuticals, Other Technology

2
Companies
4
Filings
$139.9M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Tenax Therapeutics, Inc.PharmaceuticalsSeries C$138.4M$840.7M2009
Entertainment Games, Inc.Other TechnologyPre-Seed$1.5M$4.2M2011
Operator network

Gerald Klein 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.

Gerald T. Proehl · 5 companies · 1 sharedGerald T. ProehlJohn Kelley · 5 companies · 1 sharedJohn KelleyChris A. Rallis · 3 companies · 1 sharedChris A. RallisAnthony A. DiTonno · 2 companies · 1 sharedAnthony A. DiTonnoSteven T. Boyd · 2 companies · 1 sharedSteven T. BoydBruce Spiess · 1 companies · 1 sharedBruce SpiessCharles Seeman · 1 companies · 1 sharedCharles SeemanChris Stern · 1 companies · 1 sharedChris SternChristopher T. Giordano · 1 companies · 1 sharedChristopher T. Gi…Declan R. Doogan · 1 companies · 1 sharedDeclan R. DooganDeclan T. Doogan · 1 companies · 1 sharedDeclan T. DooganEliot T. Lurier · 1 companies · 1 sharedEliot T. LurierGerald A. Proehl · 1 companies · 1 sharedGerald A. ProehlGregory R. Pepin · 1 companies · 1 sharedGregory R. PepinThomas Murphy · 2 companies · 1 sharedThomas MurphyEllen Pulver Flatt · 1 companies · 1 sharedEllen Pulver FlattEugene H. Mauro · 1 companies · 1 sharedEugene H. MauroEugene Mauro · 1 companies · 1 sharedEugene MauroEugene W. Mauro · 1 companies · 1 sharedEugene W. MauroF. J. Lennon · 1 companies · 1 sharedF. J. LennonFJ Lennon · 1 companies · 1 sharedFJ LennonGerald W. Klein · 1 companies · 1 sharedGerald W. KleinTenax Therapeutics, Inc. · $138.4M raisedTenax Therapeutics, I…Entertainment Games, Inc. · $1.5M raisedEntertainment Games, …Gerald KleinGK
Gerald Klein Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Gerald T. Proehl15
John Kelley15
Chris A. Rallis13
Thomas Murphy12
Anthony A. DiTonno12
Steven T. Boyd12
Richard W. Siporin11
Gerald W. Klein11
F. J. Lennon11
Richard Kiral11
Bruce Spiess11
Charles Seeman11
Melville Engle11
Chris Stern11
Michael B. Jebsen11
Thomas W. Murphy11
William A. Chatfield11
Ronald R. Blanck11
Gregory R. Pepin11
Thomas W. Parente11

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.