People · Operator
Named in public records as an officer, director or promoter · active 2023–2023 · Biotechnology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Certis Oncology Solutions, Inc. | — | Biotechnology | Seed | $3.7M | $25.5M | 2023 |
J. Mark S. Grosvenor 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 J. Mark S. Grosvenor on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| John C. Tozzi | 1 | 2 |
| Peter Ellman | 1 | 1 |
| James H. Berglund | 1 | 1 |
| Stephen H. Bonner | 1 | 1 |
| Arun S. Singh | 1 | 1 |
| Frederick C. Eilber | 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.