People · Operator
Named in public records as an officer, director or promoter · active 2014–2025 · Healthtech, Telecommunications
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Photon Medical Communications, Inc. | — | Healthtech | Seed | $2.8M | $364K | 2014 |
| Photon Medical Communications, LLC | — | Telecommunications | Pre-Seed | $1.0M | $1.6M | — |
Gregory M. Grant 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 Gregory M. Grant on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David M. Engert | 1 | 2 |
| Matthew M. Seidel | 1 | 1 |
| John M. Vanderhoof | 1 | 1 |
| Jack M. Craven | 1 | 1 |
| Jason M. Blood | 1 | 1 |
| Michael M. Vollmer | 1 | 1 |
| Chris M. Radella | 1 | 1 |
| Aaron J. Smidt | 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.