People · Operator
Named in public records as an officer, director or promoter · active 2016–2026 · Other, Computers
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Redwood Holding Group, LLC | — | Other | Series A | $21.1M | $222.5M | 2018 |
| Altum Investments, Inc. | — | Other | Series B | $20.3M | $54.3M | 2020 |
| Icebrg Inc. | — | Computers | Series A | $12.5M | $315.6M | 2016 |
| Engin Sciences Inc. | — | Other | Seed | $5.2M | $5.4M | 2024 |
David Rosenthal 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 David Rosenthal on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Peter Flint | 2 | 14 |
| Michael Henderson-Cohen | 2 | 4 |
| Chad Packard | 1 | 8 |
| John Farrell | 1 | 2 |
| Sloane Barbour III | 1 | 1 |
| Palle Pedersen | 1 | 1 |
| Andres Azcarraga | 1 | 1 |
| Sloane Barbour | 1 | 1 |
| Lisa McClung | 1 | 1 |
| Jim Flanigan | 1 | 1 |
| Elizabeth Cooke | 1 | 1 |
| Mark Grindeland | 1 | 1 |
| Alan Rader | 1 | 1 |
| Robert Rosenheck | 1 | 1 |
| Cindy Capobianco | 1 | 1 |
| Josh Carlson | 1 | 1 |
| Kevin Rowney | 1 | 1 |
| William Peteroy | 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.