People · Operator

Ernest Mast

Named in public records as an officer, director or promoter · active 2021–2026 · Mining & Resources, Other

3
Companies
8
Filings
$7.0M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Dore Copper Mining Corp.Mining & ResourcesSeed$5.9M$1.6M2021
Copper Giant Resources Corp.Mining & ResourcesPre-Seed$891K$1.4M2021
Scottie Resources Corp.OtherPre-Seed$200K$489K2025
Operator network

Ernest Mast 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.

Mario Stifano · 6 companies · 1 sharedMario StifanoBrent Omland · 2 companies · 1 sharedBrent OmlandGavin Nelson · 2 companies · 1 sharedGavin NelsonLaurie Gaborit · 2 companies · 1 sharedLaurie GaboritSara Heston · 2 companies · 1 sharedSara HestonFrank Balint · 1 companies · 1 sharedFrank BalintJean Tanguay · 1 companies · 1 sharedJean TanguayJoseph De La Plante · 1 companies · 1 sharedJoseph De La Plan…Martha Manuel · 1 companies · 1 sharedMartha ManuelMatt Manson · 1 companies · 1 sharedMatt MansonJay Sujir · 12 companies · 1 sharedJay SujirIan Harris · 8 companies · 1 sharedIan HarrisIan Slater · 8 companies · 1 sharedIan SlaterRobert Pease · 6 companies · 1 sharedRobert PeaseAaron Triplett · 4 companies · 1 sharedAaron TriplettMark Gibson · 3 companies · 1 sharedMark GibsonRobert Van Egmond · 3 companies · 1 sharedRobert Van EgmondBill Bennett · 1 companies · 1 sharedBill BennettJohn Williamson · 10 companies · 1 sharedJohn WilliamsonEllie Owens · 2 companies · 1 sharedEllie OwensThomas Mumford · 2 companies · 1 sharedThomas MumfordBradley Rourke · 1 companies · 1 sharedBradley RourkeDore Copper Mining Corp. · $5.9M raisedDore Copper Mining Co…Copper Giant Resources Corp. · $0.9M raisedCopper Giant Resource…Scottie Resources Corp. · $0.2M raisedScottie Resources Cor…Ernest MastEM
Ernest Mast Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Jay Sujir112
John Williamson110
Ian Harris18
Ian Slater18
Robert Pease16
Mario Stifano16
Aaron Triplett14
Robert Van Egmond13
Mark Gibson13
Laurie Gaborit12
Thomas Mumford12
Ellie Owens12
Sara Heston12
Brent Omland12
Gavin Nelson12
Matt Manson11
Ravshan Ismadiyarov11
Bill Bennett11
Bradley Rourke11
Steven Stein11

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.