People · Operator

Greg M O'Brien

Named in public records as an officer, director or promoter · active 2015–2017 · Manufacturing

1
Companies
4
Filings
$5.5M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
VitaHEAT Medical Holdings, LLCManufacturingSeed$5.5M$45.3M2015
Operator network

Greg M O'Brien 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.

Dean B. Weiland · 1 companies · 1 sharedDean B. WeilandEugene B. Steffes · 1 companies · 1 sharedEugene B. SteffesJames T. Gaffney · 1 companies · 1 sharedJames T. GaffneyJohn M Ducharme · 1 companies · 1 sharedJohn M DucharmePeter T. Farmakis · 1 companies · 1 sharedPeter T. FarmakisStephen B. Smith · 1 companies · 1 sharedStephen B. SmithSteven M Adams · 1 companies · 1 sharedSteven M AdamsVictor M Orler · 1 companies · 1 sharedVictor M OrlerWilliam T. Haas · 1 companies · 1 sharedWilliam T. HaasVitaHEAT Medical Holdings, LLC · $5.5M raisedVitaHEAT Medical Hold…Greg M O'BrienGO
Greg M O'Brien Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
William T. Haas11
Stephen B. Smith11
James T. Gaffney11
Peter T. Farmakis11
Eugene B. Steffes11
Victor M Orler11
John M Ducharme11
Steven M Adams11
Dean B. Weiland11

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.