People · Operator

Ira Greenstein

Named in public records as an officer, director or promoter · active 2003–2015 · Biotechnology, Other Technology

3
Companies
16
Filings
$57.9M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
NanoVibronix, Inc.BiotechnologySeries A$31.9M$106.4M2003
NeuBase Therapeutics, Inc.BiotechnologySeries A$17.1M$42.7M2009
Document Security Systems IncOther TechnologySeed$8.9M$93.7M2012
Operator network

Ira Greenstein 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.

Brian Murphy · 15 companies · 1 sharedBrian MurphySTEPHEN BROWN · 8 companies · 1 sharedSTEPHEN BROWNJames Cardwell · 4 companies · 1 sharedJames CardwellHarold Jacob · 2 companies · 1 sharedHarold JacobPaul Packer · 2 companies · 1 sharedPaul PackerThomas Mika · 2 companies · 1 sharedThomas MikaThomas R Mika · 2 companies · 1 sharedThomas R MikaWilliam Stern · 2 companies · 1 sharedWilliam SternDov Goldstein · 6 companies · 1 sharedDov GoldsteinDietrich Stephan · 4 companies · 1 sharedDietrich StephanEric Richman · 2 companies · 1 sharedEric RichmanFranklyn Prendergast · 2 companies · 1 sharedFranklyn Prenderg…Irach Taraporewala · 2 companies · 1 sharedIrach TaraporewalaJune Almenoff · 2 companies · 1 sharedJune AlmenoffThomas Riedhammer · 2 companies · 1 sharedThomas RiedhammerDavid Klein · 10 companies · 1 sharedDavid KleinJohn Cronin · 8 companies · 1 sharedJohn CroninPhilip Jones · 5 companies · 1 sharedPhilip JonesPatrick White · 3 companies · 1 sharedPatrick WhiteIra A. Greenstein · 2 companies · 1 sharedIra A. GreensteinRobert Fagenson · 2 companies · 1 sharedRobert FagensonRoger O'Brien · 2 companies · 1 sharedRoger O'BrienNanoVibronix, Inc. · $31.9M raisedNanoVibronix, Inc.NeuBase Therapeutics, Inc. · $17.1M raisedNeuBase Therapeutics,…Document Security Systems Inc · $8.9M raisedDocument Security Sys…Ira GreensteinIG
Ira Greenstein Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Brian Murphy115
David Klein110
John Cronin18
STEPHEN BROWN18
Dov Goldstein16
Philip Jones15
Dietrich Stephan14
James Cardwell14
Patrick White13
Paul Packer12
Robert Fagenson12
Thomas R Mika12
June Almenoff12
Thomas Riedhammer12
Irach Taraporewala12
William Stern12
Harold Jacob12
Ira A. Greenstein12
Roger O'Brien12
Thomas Mika12

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.