People · Operator
Named in public records as an officer, director or promoter · active 2025–2025 · Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Phase Four, Inc. | — | Other Technology | Series A | $23.1M | $57.7M | 2025 |
STEPHEN KISER 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.
People named alongside STEPHEN KISER on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Somu Subramaniam | 1 | 17 |
| Stewart Alsop | 1 | 10 |
| Andrew Krowne | 1 | 5 |
| Thomas J.A. Lavin | 1 | 3 |
| Simon Halpern | 1 | 2 |
| Beau Jarvis | 1 | 1 |
| JAMES J.A. BRIDENSTINE | 1 | 1 |
| Jason Wallace | 1 | 1 |
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.