People · Operator
Named in public records as an officer, director or promoter · active 2018–2025 · Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Fitters Holdings, Inc. | — | Other | Series A | $13.1M | $29.0M | 2025 |
| Lubezone Inc. | — | Other | Seed | $3.5M | $22.7M | 2018 |
Mark A. Clark 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 Mark A. Clark on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Glenn Sherburne | 2 | 2 |
| Lyle Berman | 1 | 5 |
| Lyle A. Berman | 1 | 4 |
| Glenn Sheburne | 1 | 1 |
| Steven Ladlie | 1 | 1 |
| Marc A. Graham | 1 | 1 |
| Steven A. Ladlie | 1 | 1 |
| Richard Kary | 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.