People · Operator
Named in public records as an officer, director or promoter · active 2014–2023 · Other Technology, Software / Tech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| AdPipe, Inc. | — | Other Technology | Series A | $9.0M | $41.9M | 2023 |
| Grayscale Labs, Inc. | — | Software / Tech | Series A | $8.3M | $56.5M | 2021 |
| Rivalry Software, Inc. | — | Other Technology | Pre-Seed | $550K | $23.3M | 2014 |
| WideAngle Software, Inc. | — | Other Technology | Pre-Seed | $425K | $18.0M | 2016 |
Jon Birdsong 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 Jon Birdsong on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Cummings | 2 | 8 |
| James Hamilton | 1 | 8 |
| Andrew Levy | 1 | 3 |
| Rob Forman | 1 | 2 |
| Ty Abernethy | 1 | 2 |
| Hubert Liu | 1 | 1 |
| Tejus Parekh | 1 | 1 |
| Sam Birdsong | 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.