People · Operator
Named in public records as an officer, director or promoter · active 2011–2022 · Pharmaceuticals
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Tosk Inc | — | Pharmaceuticals | Series A | $8.6M | $1.2M | 2011 |
Brian Frenzel 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 Brian Frenzel on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Charles Garvin | 1 | 1 |
| Harold Crow | 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.