People · Operator
Named in public records as an officer, director or promoter · active 2009–2024 · Telecommunications, Mining & Resources
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Tantalus Systems Corp. | — | Telecommunications | Series A | $18.6M | $89.4M | 2009 |
| Volt Lithium Corp. | — | Mining & Resources | Pre-Seed | $955K | $259K | 2024 |
John McEwen 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 McEwen on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Robinson | 1 | 6 |
| Jeff Brody | 1 | 4 |
| Eric Murray | 1 | 3 |
| Aleem Nathwani | 1 | 3 |
| Allen Beasley | 1 | 3 |
| Francis Harvey | 1 | 2 |
| Peter Londa | 1 | 2 |
| David Hergenhein | 1 | 2 |
| Marty Scase | 1 | 1 |
| Morgan Tiernan | 1 | 1 |
| Kyle Hookey | 1 | 1 |
| Alex Wylie | 1 | 1 |
| Lt. General Andrew Leslie | 1 | 1 |
| Warner Uhl | 1 | 1 |
| Maury Dumba | 1 | 1 |
| John McEwan | 1 | 1 |
| Dermot O'Leary | 1 | 1 |
| Mike Tabbert | 1 | 1 |
| John Brett | 1 | 1 |
| John Haylock | 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.