People · Operator
Named in public records as an officer, director or promoter · active 2011–2011 · Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Calvista Gold Corp | — | Other | Seed | $1.5M | $27.6M | 2011 |
Ruben Shiffman 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 Ruben Shiffman on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mike Johnson | 1 | 3 |
| G. Edmund King | 1 | 2 |
| Brian Tobin | 1 | 1 |
| Ivan Dario Pena Ortega | 1 | 1 |
| David Oyuela Gomez | 1 | 1 |
| Donald Dario Pena Christie | 1 | 1 |
| Gerry McCarvill | 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.