People · Operator
Named in public records as an officer, director or promoter · active 2009–2025 · Biotechnology, Healthtech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Bi02 Medical, Inc. | — | Biotechnology | Series A | $35.6M | $54.2M | 2009 |
| StemBioSys Inc. | — | Biotechnology | Series A | $9.9M | $43.8M | 2020 |
| Innovative Trauma Care Inc. | — | Healthtech | Series A | $8.8M | $418K | 2023 |
| Hera Biotech, Inc. | — | Biotechnology | Series A | $7.9M | $2.9M | 2020 |
| Tropoflex Inc. | — | Biotechnology | Pre-Seed | $250K | $549K | 2025 |
| Tropogenix, Inc. | — | Biotechnology | Pre-Seed | $250K | $535K | 2025 |
Paul Castella 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 Paul Castella on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Kevin Meehan | 2 | 3 |
| Bryan Daniels | 2 | 2 |
| Kristen Parker | 2 | 2 |
| Robert Langer | 1 | 36 |
| Robert S Langer | 1 | 14 |
| Steven Davis | 1 | 6 |
| John Creecy | 1 | 5 |
| David Schneider | 1 | 5 |
| Joe Brennan | 1 | 2 |
| Peter Savas | 1 | 2 |
| John Elwood | 1 | 2 |
| Steven Bailey | 1 | 2 |
| Alan Dean | 1 | 2 |
| Jean Cheever | 1 | 2 |
| Christopher Banas | 1 | 2 |
| Philip W. Faris | 1 | 2 |
| John Feik | 1 | 2 |
| John Pinsent | 1 | 2 |
| Wendy Smith | 1 | 2 |
| Mark Horsey | 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.