People · Operator
Named in public records as an officer, director or promoter · active 2020–2022 · Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Interstate Waste Services, Inc. | — | Other | Series C | $145.0M | $296.4M | 2020 |
Brian Giambagno 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 Brian Giambagno on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Brian Michaud | 1 | 3 |
| John Spegal | 1 | 2 |
| Michael DiBella | 1 | 1 |
| Will McDavid | 1 | 1 |
| Ross Gatlin | 1 | 1 |
| Marc Sulam | 1 | 1 |
| Brian D'Amico | 1 | 1 |
| Ronald Bergamini | 1 | 1 |
| Jack Perko | 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.