People · Operator
Named in public records as an officer, director or promoter · active 2021–2021 · Other Energy
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Sion Power Corp | — | Other Energy | Series D+ | $310.3M | $2.5B | 2021 |
MARK W. HEISING 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 MARK W. HEISING on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mark Smith | 1 | 28 |
| MICHAEL FETCENKO | 1 | 2 |
| LEO H. GUTHART | 1 | 1 |
| TRACY KELLEY | 1 | 1 |
| PETER W. SCHUHMACHER | 1 | 1 |
| PETER W. WALTHER | 1 | 1 |
| JAMES H. SIMONS | 1 | 1 |
| Dennis R Mangino | 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.