People · Operator
Named in public records as an officer, director or promoter · active 2023–2023 · Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Niron Magnetics, Inc. | — | Other Technology | Series C | $106.0M | $995.3M | 2023 |
Donald Rosenberg 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 Donald Rosenberg on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Seldin | 1 | 11 |
| Amit Shah | 1 | 10 |
| David Michael | 1 | 6 |
| Francis Thibodeau | 1 | 2 |
| Jimmy Kan | 1 | 2 |
| Leonard Anderson Blackburn | 1 | 1 |
| JIANPING A. WANG | 1 | 1 |
| DAVID A. SELDIN | 1 | 1 |
| LEONARD A. BLACKBURN | 1 | 1 |
| Jianping Wang | 1 | 1 |
| Lawrence Burns | 1 | 1 |
| Jonathan Rowntree | 1 | 1 |
| Steve Bullock | 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.