People · Operator

John P. Byrnes

Named in public records as an officer, director or promoter · active 2005–2015 · Hospitals and Physicians, Other Health Care

3
Companies
4
Filings
$40.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
U.S. Renal Care IncHospitals and PhysiciansSeries B$25.0M$515.1M2010
U S Renal Care IncHospitals and PhysiciansSeries A$12.7M$238.8M2005
Occusystem Services, Inc.Other Health CareSeed$2.6M$26.9M2014
Operator network

John P. Byrnes 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.

Bryan C. Cressy · 1 companies · 1 sharedBryan C. CressyJ. Christropher Brengard · 1 companies · 1 sharedJ. Christropher B…Thomas L. Weinberg · 48 companies · 2 sharedThomas L. WeinbergJames D. Shelton · 23 companies · 2 sharedJames D. SheltonEugene D. Hill · 5 companies · 2 sharedEugene D. HillDavid A. Ward · 3 companies · 2 sharedDavid A. WardJohn F. Egan · 3 companies · 2 sharedJohn F. EganMartin F. Jackson · 3 companies · 2 sharedMartin F. JacksonBarry C. Cosgrove · 2 companies · 2 sharedBarry C. CosgroveStephen L. Pirri · 2 companies · 2 sharedStephen L. PirriBryan C. Cressey · 2 companies · 1 sharedBryan C. CresseyChristopher J. Brengard · 1 companies · 1 sharedChristopher J. Br…Harry R. Jacobson · 7 companies · 1 sharedHarry R. JacobsonM. Duncan Dashiff · 3 companies · 1 sharedM. Duncan DashiffJeffrey J. Rice · 2 companies · 1 sharedJeffrey J. RiceRichard D. Rehm · 1 companies · 1 sharedRichard D. RehmU.S. Renal Care Inc · $25.0M raisedU.S. Renal Care IncU S Renal Care Inc · $12.7M raisedU S Renal Care IncOccusystem Services, Inc. · $2.6M raisedOccusystem Services, …John P. ByrnesJB
John P. Byrnes Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Thomas L. Weinberg248
James D. Shelton223
Eugene D. Hill25
John F. Egan23
David A. Ward23
Martin F. Jackson23
Barry C. Cosgrove22
Stephen L. Pirri22
Harry R. Jacobson17
M. Duncan Dashiff13
Bryan C. Cressey12
Jeffrey J. Rice12
Christopher J. Brengard11
Richard D. Rehm11
Bryan C. Cressy11
J. Christropher Brengard11

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.