People · Operator

Jeffrey R Stein

Named in public records as an officer, director or promoter · active 2023–2023 · Software / Tech

1
Companies
1
Filings
$100K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Harmonic Resonance Technologies, Inc.—Software / TechPre-Seed$100K$717K2023
Operator network

Jeffrey R Stein 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.

Joseph R Crossley · 1 companies · 1 sharedJoseph R CrossleyHarmonic Resonance Technologies, Inc. · $0.1M raisedHarmonic Resonance Te…Jeffrey R SteinJS
Jeffrey R Stein Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Joseph R Crossley11

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.