People · Operator
Named in public records as an officer, director or promoter · active 2009–2024 · Other Technology, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Tubemogul Inc | — | Other Technology | Series B | $43.0M | $872.8M | 2009 |
| Stocktwits Inc | — | Other | Series A | $11.7M | $17.9M | 2009 |
| Stackin, Inc. | — | Other Technology | Series A | $4.0M | $111.6M | 2019 |
| Tixologi, Inc. | — | Other | Seed | $3.1M | $4.7M | 2022 |
| VeloKlub, Inc. | — | Other Technology | Seed | $2.6M | $15.2M | 2024 |
Howard Lindzon 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 Howard Lindzon on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Seth Levine | 1 | 26 |
| Tony Conrad | 1 | 18 |
| Roger Ehrenberg | 1 | 14 |
| Ashu Garg | 1 | 12 |
| Ross Levinsohn | 1 | 10 |
| John Hughes | 1 | 8 |
| Ajay Chopra | 1 | 8 |
| Gary Benitt | 1 | 8 |
| David Milne | 1 | 7 |
| Dick Costolo | 1 | 5 |
| Brett Wilson | 1 | 5 |
| David Toth | 1 | 5 |
| Ross Mason | 1 | 4 |
| Scott Grimes | 1 | 3 |
| Russ Fradin | 1 | 3 |
| Soren Macbeth | 1 | 2 |
| Robert Peck | 1 | 2 |
| Eric Deeds | 1 | 1 |
| Francis Costello | 1 | 1 |
| Justin Paterno | 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.