People · Operator
Named in public records as an officer, director or promoter · active 2011–2025 · Biotechnology, Other Health Care, Healthtech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| CHF Solutions, Inc. | — | Biotechnology | Series A | $33.0M | $17.1M | 2012 |
| Jan Medical, Inc. | — | Other Health Care | Seed | $3.5M | $86.0M | 2011 |
| AcQumen Medical, Inc. | — | Healthtech | Pre-Seed | $341K | $759K | 2025 |
John Erb 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 John Erb on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Paul Buckman | 1 | 10 |
| John L. Erb | 1 | 5 |
| Jon Salveson | 1 | 5 |
| David A. Rosa | 1 | 5 |
| David Rosa | 1 | 5 |
| JEFFREY S. MATHIESEN | 1 | 4 |
| Gregory D. Waller | 1 | 4 |
| Michael McCormick | 1 | 4 |
| William Peters | 1 | 3 |
| Warren Watson | 1 | 3 |
| Paul A Buckman | 1 | 3 |
| Mark Harvey | 1 | 3 |
| Paul Lovoi | 1 | 2 |
| Paul L. Buckman | 1 | 2 |
| Paul R. Buckman | 1 | 2 |
| Molly Wade | 1 | 2 |
| Warren S. Watson | 1 | 2 |
| Jeffrey Mathiesen | 1 | 2 |
| Kevin Bassett | 1 | 2 |
| Donal O'Dwyer | 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.