People · Operator
Named in public records as an officer, director or promoter · active 2011–2025 · Other Technology, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Brightfield Holdings, Inc. | — | Other Technology | Series D+ | $118.8M | $3.8B | 2019 |
| StackHawk, Inc. | — | Other | Series B | $50.2M | $74.6M | 2020 |
| Payscale Inc | — | Other Technology | Series A | $10.1M | $180.3M | 2011 |
David Hartwig 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 Hartwig on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Matt McIlwain | 1 | 25 |
| Greg Sands | 1 | 13 |
| Patricia Nakache | 1 | 11 |
| George Krautzel | 1 | 5 |
| Todd Vernon | 1 | 4 |
| Jesse Levin | 1 | 4 |
| Jason Ezratty | 1 | 3 |
| Michael Metzger | 1 | 3 |
| Christopher Minnick | 1 | 3 |
| Noah Rosenberg | 1 | 3 |
| Dennis Weston | 1 | 3 |
| Bryce Ambraziunas | 1 | 2 |
| Joseph Giordano, III | 1 | 2 |
| Ryan Severns | 1 | 1 |
| Joni Klippert | 1 | 1 |
| Jay McGonigle | 1 | 1 |
| Robin Ferracone | 1 | 1 |
| Scott Gerlach | 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.