People · Operator
Named in public records as an officer, director or promoter · active 2010–2021 · Other Technology, Energy / Climate
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Maritime Broadband Inc. | — | Other Technology | Seed | $3.9M | $124.0M | 2010 |
| NightRide Thermal LLC | — | Energy / Climate | Pre-Seed | $383K | $4.0M | 2021 |
Mary Ellen Kramer 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 Mary Ellen Kramer on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Zevi Kramer | 1 | 1 |
| Shawn Steven Groce | 1 | 1 |
| Zevi Ellen Kramer | 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.