People · Operator

Duncan R. Marc

Named in public records as an officer, director or promoter · active 2015–2015 · Other Technology

1
Companies
1
Filings
$1.1M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
EF Resources, Inc.Other TechnologyPre-Seed$1.1M$5.5M2015
Operator network

Duncan R. Marc 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.

Jeffrey R. Harder · 2 companies · 1 sharedJeffrey R. HarderAalok William Shah · 1 companies · 1 sharedAalok William ShahCharles Minshew · 1 companies · 1 sharedCharles MinshewCharles William Minshew · 1 companies · 1 sharedCharles William M…David William Ritter · 1 companies · 1 sharedDavid William Rit…Derrick William Hale · 1 companies · 1 sharedDerrick William H…Jeffrey William Harder · 1 companies · 1 sharedJeffrey William H…Marc William Duncan · 1 companies · 1 sharedMarc William Dunc…Michael Racusin · 1 companies · 1 sharedMichael RacusinMichael William Racusin · 1 companies · 1 sharedMichael William R…Philip Racusin · 1 companies · 1 sharedPhilip RacusinPhilip William Racusin · 1 companies · 1 sharedPhilip William Ra…Roger Gingell · 1 companies · 1 sharedRoger GingellEF Resources, Inc. · $1.1M raisedEF Resources, Inc.Duncan R. MarcDM
Duncan R. Marc Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Jeffrey R. Harder12
Charles Minshew11
Philip Racusin11
Roger Gingell11
Michael Racusin11
David William Ritter11
Aalok William Shah11
Philip William Racusin11
Michael William Racusin11
Derrick William Hale11
Marc William Duncan11
Jeffrey William Harder11
Charles William Minshew11

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.