People · Operator

Declan Costelloe

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

1
Companies
1
Filings
$975K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Alexandria Minerals CorpOtherPre-Seed$975K$22.5M2010
Operator network

Declan Costelloe 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.

John Thomas · 10 companies · 1 sharedJohn ThomasJohn Francis · 6 companies · 1 sharedJohn FrancisCharles Page · 2 companies · 1 sharedCharles PageEric Owens · 2 companies · 1 sharedEric OwensEd Stuart · 1 companies · 1 sharedEd StuartJohn Yarnell · 1 companies · 1 sharedJohn YarnellAlexandria Minerals Corp · $1.0M raisedAlexandria Minerals C…Declan CostelloeDC
Declan Costelloe Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
John Thomas110
John Francis16
Charles Page12
Eric Owens12
Ed Stuart11
John Yarnell11

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.