People · Operator

John Irwin III

Named in public records as an officer, director or promoter · active 2016–2016 · Biotechnology

1
Companies
1
Filings
$14.6M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Tyrogenex, Inc.BiotechnologySeries A$14.6M$19.7M2016
Operator network

John Irwin III 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.

Todd Brady · 7 companies · 1 sharedTodd BradyMichael Webb · 6 companies · 1 sharedMichael WebbVinzenz Ploerer · 4 companies · 1 sharedVinzenz PloererSHERIDAN G. SNYDER · 3 companies · 1 sharedSHERIDAN G. SNYDERDENNIS L. PALMGREN · 2 companies · 1 sharedDENNIS L. PALMGRENSHERIDAN D. SNYDER · 2 companies · 1 sharedSHERIDAN D. SNYDERAdam Goodfriend · 1 companies · 1 sharedAdam GoodfriendCheryl Calhoun · 1 companies · 1 sharedCheryl CalhounCHRIS D. LIANG · 1 companies · 1 sharedCHRIS D. LIANGChris Liang · 1 companies · 1 sharedChris LiangDENNIS A. PALMGREN · 1 companies · 1 sharedDENNIS A. PALMGRENJoseph Straight · 1 companies · 1 sharedJoseph StraightSheridan Snyder · 1 companies · 1 sharedSheridan SnyderTERI A. SWIFT · 1 companies · 1 sharedTERI A. SWIFTTyrogenex, Inc. · $14.6M raisedTyrogenex, Inc.John Irwin IIIJI
John Irwin III Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Todd Brady17
Michael Webb16
Vinzenz Ploerer14
SHERIDAN G. SNYDER13
DENNIS L. PALMGREN12
SHERIDAN D. SNYDER12
TERI A. SWIFT11
CHRIS D. LIANG11
DENNIS A. PALMGREN11
Chris Liang11
Sheridan Snyder11
Adam Goodfriend11
Cheryl Calhoun11
Joseph Straight11

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.