People · Operator
Named in public records as an officer, director or promoter · active 2025–2026 · Manufacturing
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| PharmAdva, LLC | — | Manufacturing | Pre-Seed | $1.5M | $1.1M | 2025 |
Mark Ambruster 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 Mark Ambruster on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Michael Allen | 1 | 7 |
| Jim Brush | 1 | 1 |
| Michael Berg | 1 | 1 |
| Joel Reiser | 1 | 1 |
| Jonathan Sacks | 1 | 1 |
| Pamela Schwitzer | 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.