People · Operator

Benjamin S Ruder

Named in public records as an officer, director or promoter · active 2012–2017 · Other Health Care, Manufacturing

2
Companies
8
Filings
$9.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
B Positive Plasma LlcOther Health CareSeries A$5.2M$487K2017
B Positive National Blood Services, LLCManufacturingSeed$4.5M$11.1M2012
Operator network

Benjamin S Ruder 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.

Benjamin Ruder · 1 companies · 1 sharedBenjamin RuderMARTIN S POLLAK · 1 companies · 1 sharedMARTIN S POLLAKSophia S Rigatos · 2 companies · 2 sharedSophia S RigatosSarah M Kaplan · 1 companies · 1 sharedSarah M KaplanB Positive Plasma Llc · $5.2M raisedB Positive Plasma LlcB Positive National Blood Services, LLC · $4.5M raisedB Positive National B…Benjamin S RuderBR
Benjamin S Ruder Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Sophia S Rigatos22
Sarah M Kaplan11
Benjamin Ruder11
MARTIN S POLLAK11

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.