People · Operator
Named in public records as an officer, director or promoter · active 2018–2018 · Other Health Care
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| PROFUSA, Inc. | — | Other Health Care | Series C | $60.3M | $1.0B | 2018 |
William Siu Frist 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 William Siu Frist on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Qianye Karen Liu | 1 | 2 |
| Kristen Helton | 1 | 2 |
| Thomas Gutshall | 1 | 1 |
| Ben Hwang | 1 | 1 |
| NG Siu Wai | 1 | 1 |
| Bill McMillan | 1 | 1 |
| William McMillan | 1 | 1 |
| Joan Siu Braddi | 1 | 1 |
| Natalie Wisniewski | 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.