People · Operator
Named in public records as an officer, director or promoter · active 2015–2015 · Other Health Care
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Hc Group Holdings I, Llc | — | Other Health Care | Growth/Late | $607.4M | $14.4B | 2015 |
MARK VAINISI 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 MARK VAINISI on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Timothy Sullivan | 1 | 16 |
| Michael Ellis | 1 | 7 |
| Nicholas Alexos | 1 | 6 |
| John Arlotta | 1 | 4 |
| KARLA BULLARD | 1 | 3 |
| Jeffrey Berkowitz | 1 | 3 |
| Elizabeth Betten | 1 | 2 |
| MARK TRESNOWSKI | 1 | 2 |
| HARRY KRAEMER, JR. | 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.