People · Operator
Named in public records as an officer, director or promoter · active 2009–2020 · Other Technology, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Quantifind Inc | — | Other Technology | Series B | $34.9M | $915.2M | 2009 |
| Air Protein, Inc. | — | Other | Series B | $32.1M | $475.8M | 2020 |
Joseph Grundfest 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 Joseph Grundfest on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| James White | 1 | 13 |
| Ori Sasson | 1 | 7 |
| John Walecka | 1 | 6 |
| John Stockton | 1 | 5 |
| Denis Barrier | 1 | 5 |
| David Karnstedt | 1 | 4 |
| Steve A. Krausz | 1 | 2 |
| Joseph A Grundfest | 1 | 1 |
| Maisie Ganzler | 1 | 1 |
| John A Walecka | 1 | 1 |
| Lisa Dyson | 1 | 1 |
| Amy Banse | 1 | 1 |
| Ari Tuchman | 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.