People · Operator
Named in public records as an officer, director or promoter · active 2025–2025 · Other Health Care
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Nuvaira, Inc. | — | Other Health Care | Series C | $177.8M | $191.8M | 2025 |
Doug W. Sisson 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 Doug W. Sisson on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Kirk Nielsen | 1 | 13 |
| Michael A. Carusi | 1 | 6 |
| Hank Plain | 1 | 5 |
| David Stassen | 1 | 5 |
| Mark Deem | 1 | 5 |
| HENRY A. PLAIN | 1 | 5 |
| Dave Stassen | 1 | 3 |
| Mike Carusi | 1 | 3 |
| DENNIS W. WAHR | 1 | 3 |
| MARK A. DEEM | 1 | 3 |
| Christopher A. Shen | 1 | 3 |
| Kirk W. Nielsen | 1 | 2 |
| Martin L. Mayse | 1 | 2 |
| Henry Plain | 1 | 2 |
| GEOFFREY J DUYK | 1 | 2 |
| Dave W. Stassen | 1 | 2 |
| Steven Dimmer | 1 | 2 |
| Carolyn A. Ng | 1 | 1 |
| Alexander A. Schmitz | 1 | 1 |
| Mark W. Deem | 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.