People · Operator
Named in public records as an officer, director or promoter · active 2009–2011 · Business Services, Other Energy
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Digital Lumens Inc | — | Business Services | Series A | $11.3M | $103.4M | 2009 |
| Groom Energy Solutions LLC | — | Other Energy | Seed | $3.1M | $33.8M | 2011 |
Jonathan Guerster 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 Jonathan Guerster on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jon Karlen | 1 | 7 |
| John F. Troller | 1 | 2 |
| David Groom | 1 | 2 |
| Lee Barbieri | 1 | 2 |
| Robinbson J. Kirby | 1 | 1 |
| Thomas Pincince | 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.