People · Operator

Howard B. Rosen

Named in public records as an officer, director or promoter · active 2009–2024 · Biotechnology, Pharmaceuticals

4
Companies
19
Filings
$457.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
KALA BIO, Inc.BiotechnologySeries C$158.8M$8.3M2014
PaxVax IncPharmaceuticalsSeries B$127.6M$204.0M2009
Talphera, Inc.PharmaceuticalsSeries B$97.4M$74.2M2011
Pearl Therapeutics IncPharmaceuticalsSeries B$74.0M$791.4M2012
Operator network

Howard B. Rosen 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.

Robert Langer · 36 companies · 1 sharedRobert LangerKevin Bitterman · 15 companies · 1 sharedKevin BittermanRobert Tepper · 7 companies · 1 sharedRobert TepperDAVID LAZAR · 5 companies · 1 sharedDAVID LAZARAndrea Franz · 4 companies · 1 sharedAndrea FranzAndrew I. Koven · 4 companies · 1 sharedAndrew I. KovenBrendan Purdy · 4 companies · 1 sharedBrendan PurdyEric L. Trachtenberg · 4 companies · 1 sharedEric L. Trachtenb…Mark Iwicki · 4 companies · 1 sharedMark IwickiPETER COUROSSI · 4 companies · 1 sharedPETER COUROSSIROBERT PAULL · 4 companies · 1 sharedROBERT PAULLGreg Grunberg · 3 companies · 1 sharedGreg GrunbergGregory D. Perry · 3 companies · 1 sharedGregory D. PerryMark Wan · 10 companies · 1 sharedMark WanStephen Hoffman · 7 companies · 1 sharedStephen HoffmanGuy Nohra · 5 companies · 1 sharedGuy NohraJames Welch · 4 companies · 1 sharedJames WelchMark Edwards · 4 companies · 1 sharedMark EdwardsJames H. Welch · 3 companies · 1 sharedJames H. WelchHoward Rosen · 5 companies · 2 sharedHoward RosenJames Young · 4 companies · 1 sharedJames YoungJAMES W. YOUNG · 3 companies · 1 sharedJAMES W. YOUNGKALA BIO, Inc. · $158.8M raisedKALA BIO, Inc.PaxVax Inc · $127.6M raisedPaxVax IncTalphera, Inc. · $97.4M raisedTalphera, Inc.Pearl Therapeutics Inc · $74.0M raisedPearl Therapeutics IncHoward B. RosenHR
Howard B. Rosen Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Howard Rosen25
Robert Langer136
Kevin Bitterman115
Mark Wan110
Stephen Hoffman17
Robert Tepper17
DAVID LAZAR15
Guy Nohra15
Eric L. Trachtenberg14
PETER COUROSSI14
Mark Edwards14
James Welch14
James Young14
Mark Iwicki14
Andrea Franz14
Brendan Purdy14
Andrew I. Koven14
ROBERT PAULL14
JUSTIN HANES13
Greg Grunberg13

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.