People · Operator
Named in public records as an officer, director or promoter · active 2012–2020 · Healthtech, Biotechnology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| ExThera Medical Corp | — | Healthtech | Series B | $62.8M | $10.0M | 2012 |
| StemBioSys Inc. | — | Biotechnology | Series A | $9.9M | $43.8M | 2020 |
John Feik 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 Feik on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Robert Langer | 1 | 36 |
| Robert S Langer | 1 | 14 |
| Robert Ward | 1 | 10 |
| John Preston | 1 | 7 |
| Steven Davis | 1 | 6 |
| Paul Castella | 1 | 6 |
| Jean Cheever | 1 | 2 |
| Peter Savas | 1 | 2 |
| Mark Horsey | 1 | 2 |
| Erin Borger | 1 | 2 |
| Chen W Xiao-Dong | 1 | 1 |
| Steven W Davis | 1 | 1 |
| Paul W Castella | 1 | 1 |
| Ian W Clements | 1 | 1 |
| Steven Davis, M.D. | 1 | 1 |
| Keith McCrea | 1 | 1 |
| John W Feik | 1 | 1 |
| Mark D Horsey | 1 | 1 |
| Robert D Hutchens | 1 | 1 |
| Jean W Cheever | 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.