People · Operator

JAMES J.A. BRIDENSTINE

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

1
Companies
1
Filings
$23.1M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Phase Four, Inc.Other TechnologySeries A$23.1M$57.7M2025
Operator network

JAMES J.A. BRIDENSTINE 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.

Somu Subramaniam · 17 companies · 1 sharedSomu SubramaniamStewart Alsop · 10 companies · 1 sharedStewart AlsopAndrew Krowne · 5 companies · 1 sharedAndrew KrowneThomas J.A. Lavin · 3 companies · 1 sharedThomas J.A. LavinSimon Halpern · 2 companies · 1 sharedSimon HalpernBeau Jarvis · 1 companies · 1 sharedBeau JarvisJason Wallace · 1 companies · 1 sharedJason WallaceSTEPHEN KISER · 1 companies · 1 sharedSTEPHEN KISERPhase Four, Inc. · $23.1M raisedPhase Four, Inc.JAMES J.A. BRIDENSTINEJB
JAMES J.A. BRIDENSTINE Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Somu Subramaniam117
Stewart Alsop110
Andrew Krowne15
Thomas J.A. Lavin13
Simon Halpern12
Beau Jarvis11
STEPHEN KISER11
Jason Wallace11

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.