People · Operator
Named in public records as an officer, director or promoter · active 2018–2018 · Mining & Resources
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Sigma Lithium Resources Inc. | — | Mining & Resources | Pre-Seed | $465K | $3.1M | 2018 |
Calvyn Gardner 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 Calvyn Gardner on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Tadeu Carneiro | 1 | 2 |
| Ana Cristina Cabral | 1 | 1 |
| Itamar Cristina Resende | 1 | 1 |
| Alvaro Notaroberto Barbosa | 1 | 1 |
| Marcelo Cristina Paiva | 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.