People · Operator

Matthew Calleja

Named in public records as an officer, director or promoter · active 2025–2025 · Other

1
Companies
1
Filings
$245K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Artman's Nursery Holding Company, LLC—OtherPre-Seed$245K$725K2025
Operator network

Matthew Calleja 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.

Nathan Guinane · 2 companies · 1 sharedNathan GuinaneSaifuddin Siddiqui · 2 companies · 1 sharedSaifuddin SiddiquiAustin Vittorelli · 1 companies · 1 sharedAustin VittorelliJeffrey Brinker · 1 companies · 1 sharedJeffrey BrinkerArtman's Nursery Holding Company, LLC · $0.2M raisedArtman's Nursery Hold…Matthew CallejaMC
Matthew Calleja Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Saifuddin Siddiqui12
Nathan Guinane12
Jeffrey Brinker11
Austin Vittorelli11

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.