People · Operator

Michael Doyle

Named in public records as an officer, director or promoter · active 2009–2025 · Other Technology, Other, Lodging and Conventions

5
Companies
12
Filings
$69.4M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Medsphere Systems CorpOther TechnologySeries B$44.2M$466.0M2009
QPID, Inc.Other TechnologySeries A$18.5M$341.4M2012
G2Mint, Inc.Other TechnologySeed$5.4M$11.8M2023
American Vanadium Corp.OtherPre-Seed$878K$4.4M2014
Rambler Grove, Inc.Lodging and ConventionsPre-Seed$365K$2.3M2020
Operator network

Michael Doyle 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.

Larry Augustin · 5 companies · 1 sharedLarry AugustinMark Czepiel · 2 companies · 1 sharedMark CzepielEdmund Billings · 1 companies · 1 sharedEdmund BillingsEdmund H. Billings · 1 companies · 1 sharedEdmund H. BillingsEdmund J. Billings · 1 companies · 1 sharedEdmund J. BillingsMichael J. Doyle · 4 companies · 3 sharedMichael J. DoyleStan Reiss · 5 companies · 1 sharedStan ReissRichard Wilmot · 4 companies · 1 sharedRichard WilmotBrandon J. Hull · 2 companies · 1 sharedBrandon J. HullCarl J. Berke · 1 companies · 1 sharedCarl J. BerkeDaniel Clark · 3 companies · 1 sharedDaniel ClarkJamie Mariani · 2 companies · 1 sharedJamie MarianiBrian Bayley · 4 companies · 1 sharedBrian BayleyBrian E. Bayley · 4 companies · 1 sharedBrian E. BayleyGeorge T. Hawes · 3 companies · 1 sharedGeorge T. HawesE. Kelly Hyslop · 2 companies · 1 sharedE. Kelly HyslopSandra Peter Lee · 2 companies · 1 sharedSandra Peter LeeWilliam Radvak · 2 companies · 1 sharedWilliam RadvakAlan Branham · 1 companies · 1 sharedAlan BranhamAlan D. Branham · 1 companies · 1 sharedAlan D. BranhamBrett Kelly Whalen · 1 companies · 1 sharedBrett Kelly WhalenBrian J. McAlister · 1 companies · 1 sharedBrian J. McAlisterMedsphere Systems Corp · $44.2M raisedMedsphere Systems CorpQPID, Inc. · $18.5M raisedQPID, Inc.G2Mint, Inc. · $5.4M raisedG2Mint, Inc.American Vanadium Corp. · $0.9M raisedAmerican Vanadium Cor…Rambler Grove, Inc. · $0.4M raisedRambler Grove, Inc.Michael DoyleMD
Michael Doyle Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Michael J. Doyle34
Larry Augustin15
Stan Reiss15
Richard Wilmot14
Brian Bayley14
Brian E. Bayley14
George T. Hawes13
Daniel Clark13
E. Kelly Hyslop12
Sandra Peter Lee12
Jamie Mariani12
William Radvak12
Brandon J. Hull12
Mark Czepiel12
Irv Lichtenwald11
Alan D. Branham11
Michael Zalis11
William J. Radvak11
Kenneth Kizer11
Kenneth Peter Miller11

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.