People · Operator

John J. Grum

Named in public records as an officer, director or promoter · active 2010–2010 · Other

1
Companies
1
Filings
$250K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Weather Trends International IncOtherPre-Seed$250K$5.8M2010
Operator network

John J. Grum 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.

Vincent E. Menichelli · 1 companies · 1 sharedVincent E. Menich…William E. Kirk · 1 companies · 1 sharedWilliam E. KirkWeather Trends International Inc · $0.2M raisedWeather Trends Intern…John J. GrumJG
John J. Grum Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Vincent E. Menichelli11
William E. Kirk11

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.

John J. Grum — companies, boards & venture network · Provath