People · Operator
Named in public records as an officer, director or promoter · active 2025–2025 · Other Energy
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Hixwood CFS Partners, LLC | — | Other Energy | Series A | $12.6M | $43.1M | 2025 |
Eleftherios Efstratis 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 Eleftherios Efstratis on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Frank Foster | 1 | 12 |
| Kent Madsen | 1 | 7 |
| Jack Boren | 1 | 3 |
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.