People · Operator
Named in public records as an officer, director or promoter · active 2015–2022 · Other Technology, Pharmaceuticals
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| EverQuote, Inc. | — | Other Technology | Series B | $52.4M | $255.9M | 2015 |
| Hallux, Inc. | — | Pharmaceuticals | Series A | $20.0M | $151.4M | 2022 |
Seth Birnbaum 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 Seth Birnbaum on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mark Taylor | 1 | 11 |
| John Wagner | 1 | 10 |
| David Blundin | 1 | 7 |
| Robert Orr | 1 | 7 |
| John Shields | 1 | 6 |
| Sanju Bansal | 1 | 4 |
| David Mason | 1 | 4 |
| Jonathan Shapiro | 1 | 4 |
| Bryan Sendrowski | 1 | 3 |
| George Neble | 1 | 3 |
| William P. Forbes | 1 | 3 |
| John Lunny | 1 | 2 |
| Thomas Ellis | 1 | 2 |
| John Giordano | 1 | 2 |
| Hendrik Arend Kroon | 1 | 1 |
| Zheng Su | 1 | 1 |
| Jay Birnbaum | 1 | 1 |
| Robert P Orr | 1 | 1 |
| William Forbes | 1 | 1 |
| Peter Steelman | 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.