People · Operator

John G. Stewart, M.D.

Named in public records as an officer, director or promoter · active 2014–2014 · Software / Tech, Hospitals and Physicians

2
Companies
2
Filings
$6.1M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
CrossRoads Extremity Systems, LLCSoftware / TechSeed$5.4M$100.6M2014
Augusta CyberKnife, LLCHospitals and PhysiciansPre-Seed$638K$18.3M2014
Operator network

John G. Stewart, M.D. 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.

Glen Coleman · 3 companies · 1 sharedGlen ColemanVernon R. Hartdegen · 2 companies · 1 sharedVernon R. Hartdeg…Benjamin Chad Herron · 1 companies · 1 sharedBenjamin Chad Her…Bryan Den Hartog · 1 companies · 1 sharedBryan Den HartogGary Den Stevenson · 1 companies · 1 sharedGary Den StevensonGlen R. Coleman · 1 companies · 1 sharedGlen R. ColemanM. Chad Hollis · 1 companies · 1 sharedM. Chad HollisMike Chad DeVries · 1 companies · 1 sharedMike Chad DeVriesTimothy Den Slayton · 1 companies · 1 sharedTimothy Den Slayt…Vernon R. Hartdegen, Jr. · 1 companies · 1 sharedVernon R. Hartdeg…Jed W. Howington, M.D. · 2 companies · 2 sharedJed W. Howington,…Sandra Smith · 2 companies · 1 sharedSandra SmithBenjamin Herron · 1 companies · 1 sharedBenjamin HerronDoug Welch · 1 companies · 1 sharedDoug WelchCrossRoads Extremity Systems, LLC · $5.4M raisedCrossRoads Extremity …Augusta CyberKnife, LLC · $0.6M raisedAugusta CyberKnife, L…John G. Stewart, M.D.JM
John G. Stewart, M.D. Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Jed W. Howington, M.D.22
Glen Coleman13
Vernon R. Hartdegen12
Sandra Smith12
Gary Den Stevenson11
Timothy Den Slayton11
Benjamin Chad Herron11
Benjamin Herron11
Doug Welch11
Mike Chad DeVries11
Glen R. Coleman11
M. Chad Hollis11
Vernon R. Hartdegen, Jr.11
Bryan Den Hartog11

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.