People · Operator

Mark P. Jennings

Named in public records as an officer, director or promoter · active 2021–2021 · Manufacturing

1
Companies
1
Filings
$67.2M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
GCP HGR Holdings, Inc.—ManufacturingSeries C$67.2M$672.0M2021
Operator network

Mark P. Jennings 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.

Andrew P. Hertzmark · 3 companies · 1 sharedAndrew P. Hertzma…Joseph Forehand · 2 companies · 1 sharedJoseph ForehandGregory P. Owens · 1 companies · 1 sharedGregory P. OwensWilliam Greenblat · 1 companies · 1 sharedWilliam GreenblatGCP HGR Holdings, Inc. · $67.2M raisedGCP HGR Holdings, Inc.Mark P. JenningsMJ
Mark P. Jennings Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Andrew P. Hertzmark13
Joseph Forehand12
Gregory P. Owens11
William Greenblat11

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.