People · Operator
Named in public records as an officer, director or promoter · active 2022–2022 · Healthtech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Sibel Health Inc. | — | Healthtech | Series B | $33.0M | $326.5M | 2022 |
Steffen A. Protsch 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 Steffen A. Protsch on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| John A. Rogers | 1 | 3 |
| Shuai Xu | 1 | 2 |
| Kimberly A. Querrey | 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.