People · Operator
Named in public records as an officer, director or promoter · active 2016–2026 · Other, Other Technology, Healthtech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Alera Group Holdings, Inc. | — | Other | Series D+ | $282.5M | $4.9B | 2016 |
| ChartSpan Medical Technologies, Inc. | Director | Other Technology | Series C | $50.5M | $257.6M | 2026 |
| Epion Health, Inc. | — | Healthtech | Series A | $10.2M | $76.9M | 2017 |
Bill Brown 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 Brown on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mark Buffington | 1 | 14 |
| RYAN CLARK | 1 | 3 |
| Gordon MacNeill | 1 | 3 |
| Leslie Henshaw | 1 | 2 |
| Andrew Schiller | 1 | 2 |
| Jon-Michial Carter | 1 | 2 |
| DAVID GOLDE | 1 | 2 |
| WILLIAM CORRIGAN | 1 | 1 |
| JOHN ADEO | 1 | 1 |
| ALAN LEVITZ | 1 | 1 |
| Christine Hawkins | 1 | 1 |
| Joseph Blewitt | 1 | 1 |
| CLINT BROOKS | 1 | 1 |
| PETER MARATHAS | 1 | 1 |
| ROB LIEBLEIN | 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.