People · Operator
Named in public records as an officer, director or promoter · active 2009–2024 · Biotechnology, Other Health Care, Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| CHF Solutions, Inc. | — | Biotechnology | Series A | $33.0M | $17.0M | 2013 |
| Osprey Medical Inc. | — | Other Health Care | Series A | $14.0M | $282.5M | 2013 |
| AUM Cardiovascular, Inc. | — | Other Health Care | Series A | $10.7M | $11.5M | 2015 |
| Harbinger Medical Inc. | — | Other Health Care | Pre-Seed | $550K | $16.9M | 2009 |
| NuAx, Inc. | — | Other Technology | Pre-Seed | $260K | $4.2M | 2012 |
John L. 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 L. 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 |
| David Rosa | 1 | 5 |
| Jon Salveson | 1 | 5 |
| David A. Rosa | 1 | 5 |
| Michael McCormick | 1 | 4 |
| Gregory D. Waller | 1 | 4 |
| JEFFREY S. MATHIESEN | 1 | 4 |
| John Erb | 1 | 3 |
| MARK W KROLL | 1 | 3 |
| Nancy Ness | 1 | 3 |
| Warren Watson | 1 | 3 |
| Paul A Buckman | 1 | 3 |
| Mark Harvey | 1 | 3 |
| William Peters | 1 | 3 |
| Jeffrey Mathiesen | 1 | 2 |
| Kevin Bassett | 1 | 2 |
| Ronald M. Nelson | 1 | 2 |
| Gregory Waller | 1 | 2 |
| Geoffrey Brooke | 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.