People · Operator
Named in public records as an officer, director or promoter · active 2011–2015 · Hospitals and Physicians
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Dallas Proton Treatment Holdings, LLC | — | Hospitals and Physicians | Series C | $353.7M | $1.7B | 2012 |
| Georgia Proton Treatment Holdings, LLC | — | Hospitals and Physicians | Series D+ | $313.3M | $2.7B | 2012 |
| Dallas Proton Treatment Center, LLC | — | Hospitals and Physicians | Series D+ | $140.0M | $971.8M | — |
| Maryland Proton Treatment Center, LLC | — | Hospitals and Physicians | Series B | $52.5M | $154.5M | 2012 |
| Georgia Proton Treatment Center, LLC | — | Hospitals and Physicians | Series B | $30.3M | $607.8M | 2011 |
| Advanced Particle Therapy, LLC | — | Hospitals and Physicians | Pre-Seed | $250K | $7.2M | 2015 |
James L Thomson 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 James L Thomson on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jeffrey L Bordok | 6 | 6 |
| Sarah L Hutchinson | 6 | 6 |
| Casey L Gilley | 5 | 5 |
| John L. Cravens | 1 | 1 |
| Robert L. Cochran | 1 | 1 |
| John L. Mishalanie | 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.