People · Operator
Named in public records as an officer, director or promoter · active 2014–2017 · Energy / Climate, Other Energy
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| ViZn Energy Systems, Inc | — | Energy / Climate | Series B | $39.3M | $104.8M | 2014 |
| Nextech Batteries, Inc. | — | Other Energy | Pre-Seed | $1.0M | $16.1M | 2017 |
Bill Burger 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 Bill Burger on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Wilkins | 1 | 4 |
| Craig Wilkins | 1 | 4 |
| Dave Wilkins | 1 | 3 |
| David Feffer | 1 | 3 |
| John Lowell | 1 | 2 |
| Bill L. Burger | 1 | 2 |
| Ron Van Dell | 1 | 2 |
| Roy L. Sweeney | 1 | 1 |
| Paul Siblerud | 1 | 1 |
| Del Allison | 1 | 1 |
| Jeff Hider | 1 | 1 |
| Kevin Waldher | 1 | 1 |
| David Mintzer | 1 | 1 |
| Roy Sweeney | 1 | 1 |
| Michael Grunow | 1 | 1 |
| Kent Williams | 1 | 1 |
| Kirk Plautz | 1 | 1 |
| Stuart Sorenson | 1 | 1 |
| Kevin Walder | 1 | 1 |
| Kevin L. Walder | 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.