People · Operator
Named in public records as an officer, director or promoter · active 2022–2022 · Biotechnology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Zephyr AI, Inc. | — | Biotechnology | Series D+ | $129.7M | $1.5B | 2022 |
John Tiernan 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 Tiernan on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Steve Murray | 1 | 7 |
| David Morgan | 1 | 6 |
| Sol Barer | 1 | 6 |
| Moncef Slaoui | 1 | 3 |
| Grant Verstandig | 1 | 3 |
| Jeff Sherman | 1 | 2 |
| Rachael Brake | 1 | 1 |
| Roger Ferguson, Jr. | 1 | 1 |
| Ken Samet | 1 | 1 |
| Jack Rowe | 1 | 1 |
| Rob Myers | 1 | 1 |
| Yisroel Brumer | 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.