People · Operator
Named in public records as an officer, director or promoter · active 2012–2019 · Other Technology, Biotechnology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| eNeura, INC. | — | Other Technology | Series A | $53.6M | $14.2M | 2015 |
| CHF Solutions, Inc. | — | Biotechnology | Series A | $33.0M | $17.0M | 2012 |
Jeffrey Mathiesen 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 Jeffrey Mathiesen on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Rosen | 1 | 10 |
| Paul Buckman | 1 | 10 |
| David Fischell | 1 | 6 |
| Robert Fischell | 1 | 6 |
| Robert Kline | 1 | 6 |
| R. Jacob Vogelstein | 1 | 6 |
| John L. Erb | 1 | 5 |
| Jon Salveson | 1 | 5 |
| David A. Rosa | 1 | 5 |
| David Rosa | 1 | 5 |
| David Oros | 1 | 5 |
| JEFFREY S. MATHIESEN | 1 | 4 |
| Gregory D. Waller | 1 | 4 |
| Mark Harvey | 1 | 3 |
| William Peters | 1 | 3 |
| Paul A Buckman | 1 | 3 |
| John Erb | 1 | 3 |
| Warren Watson | 1 | 3 |
| Terese Baker | 1 | 2 |
| Terry Lierman | 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.