People · Operator

Yisroel Brumer

Named in public records as an officer, director or promoter · active 2022–2023 · Biotechnology

1
Companies
2
Filings
$129.7M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Zephyr AI, Inc.BiotechnologySeries D+$129.7M$1.5B2022
Operator network

Yisroel Brumer 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.

Steve Murray · 7 companies · 1 sharedSteve MurrayDavid Morgan · 6 companies · 1 sharedDavid MorganSol Barer · 6 companies · 1 sharedSol BarerGrant Verstandig · 3 companies · 1 sharedGrant VerstandigMoncef Slaoui · 3 companies · 1 sharedMoncef SlaouiJeff Sherman · 2 companies · 1 sharedJeff ShermanJack Rowe · 1 companies · 1 sharedJack RoweJohn Tiernan · 1 companies · 1 sharedJohn TiernanKen Samet · 1 companies · 1 sharedKen SametRachael Brake · 1 companies · 1 sharedRachael BrakeRob Myers · 1 companies · 1 sharedRob MyersRoger Ferguson, Jr. · 1 companies · 1 sharedRoger Ferguson, J…Zephyr AI, Inc. · $129.7M raisedZephyr AI, Inc.Yisroel BrumerYB
Yisroel Brumer Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Steve Murray17
David Morgan16
Sol Barer16
Moncef Slaoui13
Grant Verstandig13
Jeff Sherman12
John Tiernan11
Roger Ferguson, Jr.11
Ken Samet11
Jack Rowe11
Rob Myers11
Rachael Brake11

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.