People · Operator
Named in public records as an officer, director or promoter · active 2009–2025 · Healthtech, Other Health Care, Software / Tech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Convergent Dental, Inc. | — | Healthtech | Series C | $99.1M | $119.8M | 2011 |
| KeyCare, Inc. | — | Other Health Care | Series B | $54.4M | $142.7M | 2022 |
| Medventive Inc | — | Other Health Care | Series A | $38.3M | $242.2M | 2009 |
| Boston Technology Research Corp | — | Software / Tech | Series A | $27.3M | $48.0M | 2021 |
| Healthrageous, Inc. | — | Other Health Care | Series A | $22.4M | $146.9M | 2011 |
| Carevive Systems, Inc. | — | Software / Tech | Series A | $22.2M | $414.9M | 2016 |
William R. Cowen 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 R. Cowen on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mark Collins | 2 | 5 |
| Mark Bakken | 1 | 24 |
| Mark Levine | 1 | 9 |
| Timothy Petersen | 1 | 9 |
| Peter Grua | 1 | 7 |
| Enrico Petrillo | 1 | 6 |
| John Bertrand | 1 | 6 |
| WILLIAM COWEN | 1 | 5 |
| Timothy B. Petersen | 1 | 5 |
| Nancy Brown | 1 | 5 |
| Sebastian Caliri | 1 | 4 |
| Edward L. Cahill | 1 | 4 |
| Frederick C. Lee | 1 | 3 |
| John R. Egan | 1 | 3 |
| Michael J. Cataldo | 1 | 2 |
| JENNIFER GOLDSMITH | 1 | 2 |
| Leonard Hedge | 1 | 2 |
| Robert Gershon | 1 | 2 |
| Lyle Berkowitz | 1 | 2 |
| Nancy Ham | 1 | 2 |
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.