People · Operator
Named in public records as an officer, director or promoter · active 2012–2018 · Biotechnology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Elicio Therapeutics, Inc. | — | Biotechnology | Series B | $105.3M | $392.4M | 2016 |
| Mnemosyne Pharmaceuticals Inc | — | Biotechnology | Series A | $24.0M | $445.8M | 2012 |
| eXIthera Pharmaceuticals, Inc. | — | Biotechnology | Series A | $15.0M | $108.5M | 2012 |
William Koster 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 William Koster on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Daniel Behr | 3 | 4 |
| Ben Bronstein | 2 | 4 |
| Isaac Kohlberg | 2 | 2 |
| Peter Barrett | 1 | 18 |
| Isaac Blech | 1 | 14 |
| Robert Ruffolo | 1 | 8 |
| Daniel Geffken | 1 | 6 |
| Robert Connelly | 1 | 4 |
| Scott J. Yaphe | 1 | 2 |
| James Bristol | 1 | 2 |
| Daphne Karydas | 1 | 2 |
| Yekaterina Chudnovsky | 1 | 2 |
| Christopher Haqq | 1 | 2 |
| Carol Ashe | 1 | 2 |
| Julian Adams | 1 | 2 |
| Satish Jindal | 1 | 2 |
| Richard Horan | 1 | 2 |
| Ofer Gonen | 1 | 2 |
| Kollol Pal | 1 | 2 |
| Alan Shaw | 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.