People · Operator
Named in public records as an officer, director or promoter · active 2009–2010 · Telecommunications
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Gc Holdings Inc | — | Telecommunications | Series A | $43.3M | $8.8M | 2009 |
John William Kastelic 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 William Kastelic on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| E. Floyd Kvamme | 1 | 3 |
| Richard B. Tompane | 1 | 2 |
| John W. Kastelic | 1 | 2 |
| Carl Yordan | 1 | 2 |
| Buford Ray Conley | 1 | 2 |
| Carl Floyd Yordan | 1 | 1 |
| Carl B. Yordan | 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.