People · Operator
Named in public records as an officer, director or promoter · active 2010–2011 · Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Tumblr Inc | — | Other Technology | Series C | $115.0M | $2.7B | 2010 |
David Karp 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 Karp on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Bijan Sabet | 1 | 9 |
| Brad Burnham | 1 | 9 |
| Fred Seibert | 1 | 3 |
| John Maloney | 1 | 2 |
| Roelof F. Botha | 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.