People · Operator
Named in public records as an officer, director or promoter · active 2016–2022 · Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Advanced Disposal Services, Inc. | — | Other | Growth/Late | $1.2B | $20.6B | 2016 |
| Interstate Waste Services, Inc. | — | Other | Series C | $145.0M | $296.4M | 2021 |
John Spegal 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 John Spegal on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| John Miller | 1 | 27 |
| Richard Burke | 1 | 3 |
| Brian Michaud | 1 | 3 |
| Jared Parker | 1 | 2 |
| Michael Slattery | 1 | 2 |
| Brian Giambagno | 1 | 1 |
| Ross Gatlin | 1 | 1 |
| Marc Sulam | 1 | 1 |
| Ronald Bergamini | 1 | 1 |
| Michael Koen | 1 | 1 |
| Steven Carn | 1 | 1 |
| Matthew Gunnelson | 1 | 1 |
| Matthew Rinklin | 1 | 1 |
| Bret Budenbender | 1 | 1 |
| B. Clyde Preslar | 1 | 1 |
| William Westrate | 1 | 1 |
| Pedreiro Sergio | 1 | 1 |
| Brian D'Amico | 1 | 1 |
| Jack Perko | 1 | 1 |
| Michael DiBella | 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.