People · Operator
Named in public records as an officer, director or promoter · active 2016–2017 · Other Health Care
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Emerald TopCo, Inc. | — | Other Health Care | Growth/Late | $1.3B | $36.7M | 2016 |
| EQT Avatar Parent L.P. | — | Other Health Care | Growth/Late | $505.9M | $12.0B | 2017 |
Jonathan Brook 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 Jonathan Brook on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Eric Liu | 2 | 5 |
| Jason Howard | 2 | 5 |
| Robert Bradburn | 2 | 3 |
| Ethan Waxman | 2 | 2 |
| William Klitgaard | 1 | 4 |
| Patrick T. Ryan | 1 | 2 |
| Steve McLean | 1 | 2 |
| Julie Gilbert | 1 | 2 |
| Mason Slaine | 1 | 2 |
| Edmundo Muniz | 1 | 1 |
| Jamie Macdonald | 1 | 1 |
| Bernhard T. Hampl | 1 | 1 |
| Harry T. Klagsbrun | 1 | 1 |
| Mark T. Tabak | 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.