People · Operator

John Barrett

Named in public records as an officer, director or promoter · active 2009–2025 · Pharmaceuticals, Other, Other Health Care, Retailing

4
Companies
5
Filings
$71.1M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Cardioxyl Pharmaceuticals IncPharmaceuticalsSeries B$52.0M$953.8M2009
Fencecrete Holdings, LLCOtherSeries A$8.8M$28.2M2025
CoAlign Innovations, Inc.Other Health CareSeries A$7.3M$126.8M2009
John Barrett Holdings, LLCRetailingSeed$2.9M$18.5M2015
Operator network

John Barrett 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 Garland · 7 companies · 1 sharedRobert GarlandJeff Clark · 5 companies · 1 sharedJeff ClarkPeter A. Thompson · 5 companies · 1 sharedPeter A. ThompsonChristopher A. Kroeger · 4 companies · 1 sharedChristopher A. Kr…Charles A. Sanders · 3 companies · 1 sharedCharles A. SandersCharles Sanders · 2 companies · 1 sharedCharles SandersJames A. Barrett · 2 companies · 1 sharedJames A. BarrettJohn A. Reardon · 2 companies · 1 sharedJohn A. ReardonAnthony A. Johnson · 1 companies · 1 sharedAnthony A. JohnsonDoug A. Cowart · 1 companies · 1 sharedDoug A. CowartGary A. Stiles · 1 companies · 1 sharedGary A. StilesJeff A. Clark · 1 companies · 1 sharedJeff A. ClarkReza A. Mazhari · 1 companies · 1 sharedReza A. MazhariReza Mazhari · 1 companies · 1 sharedReza MazhariMichael Kell · 2 companies · 1 sharedMichael KellG.R. Sam Seraphim · 1 companies · 1 sharedG.R. Sam SeraphimDOUG KELLY · 4 companies · 1 sharedDOUG KELLYDavid Utley · 2 companies · 1 sharedDavid UtleyPaul Goeld · 2 companies · 1 sharedPaul GoeldJoseph E DaGrosa · 2 companies · 1 sharedJoseph E DaGrosaDiego McDonald · 1 companies · 1 sharedDiego McDonaldJames Hedges · 1 companies · 1 sharedJames HedgesCardioxyl Pharmaceuticals Inc · $52.0M raisedCardioxyl Pharmaceuti…Fencecrete Holdings, LLC · $8.8M raisedFencecrete Holdings, …CoAlign Innovations, Inc. · $7.3M raisedCoAlign Innovations, …John Barrett Holdings, LLC · $2.9M raisedJohn Barrett Holdings…John BarrettJB
John Barrett Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Robert Garland17
Jeff Clark15
Peter A. Thompson15
Christopher A. Kroeger14
DOUG KELLY14
Charles A. Sanders13
Paul Goeld12
James A. Barrett12
Joseph E DaGrosa12
Michael Kell12
David Utley12
John A. Reardon12
Charles Sanders12
Yuda Doliner11
Diego McDonald11
James Hedges11
Robert A. Garland11
Gary A. Stiles11
Doug A. Cowart11
Anthony A. Johnson11

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.