People · Operator
Named in public records as an officer, director or promoter · active 2025–2025 · Pharmaceuticals
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Tango Therapeutics, Inc. | — | Pharmaceuticals | Series C | $95.0M | $83.2M | 2025 |
John Ann Ketchum 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 John Ann Ketchum on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Alexis Borisy | 1 | 6 |
| Lesley Ann Calhoun | 1 | 2 |
| Daniella Beckman | 1 | 2 |
| Mace Ann Rothenberg | 1 | 1 |
| Adam Crystal | 1 | 1 |
| Douglas Barry | 1 | 1 |
| Alan Huang | 1 | 1 |
| Reid Ann Huber | 1 | 1 |
| Barbara Weber | 1 | 1 |
| Aaron Ann Davis | 1 | 1 |
| Malte Ann Peters | 1 | 1 |
| Kanishka Ann Pothula | 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.