People · Operator

Samuel Schreiber

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

1
Companies
1
Filings
$713K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Mm Sambrook Operating, Llc—RetailingPre-Seed$713K$4.5M2021
Operator network

Samuel Schreiber 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.

Brook Katzen · 1 companies · 1 sharedBrook KatzenMm Sambrook Operating, Llc · $0.7M raisedMm Sambrook Operating…Samuel SchreiberSS
Samuel Schreiber Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Brook Katzen11

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.