People · Operator
Named in public records as an officer, director or promoter · active 2017–2018 · Other Energy
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| 4M Carbon Fiber Corp. | — | Other Energy | Seed | $4.5M | $21.7M | 2017 |
Douglas D. Mentzer 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 Douglas D. Mentzer on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Garo D. Artinian | 1 | 1 |
| Robert D. Klawonn | 1 | 1 |
| Erwin W. Vahlsing, Jr. | 1 | 1 |
| Truman A. Bonds | 1 | 1 |
| Chari D. Paresh | 1 | 1 |
| Joshua M. Kimmel | 1 | 1 |
| Rodney G. Grubb | 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.