People · Operator
Named in public records as an officer, director or promoter · active 2015–2026 · Biotechnology, Healthtech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Arvinas, Inc. | — | Biotechnology | Series C | $129.1M | $1.3B | 2015 |
| Lucem Health, Inc. | — | Healthtech | Series A | $15.9M | $21.8M | 2023 |
| Quarry Heme, Inc | — | Biotechnology | Series A | $13.5M | $33.0M | 2026 |
| Automera US Inc. | — | Biotechnology | Series A | $12.2M | $95.2M | 2023 |
| AbbraTech Holdings LLC | — | Biotechnology | Series A | $8.5M | $59.5M | 2023 |
| Quarry DAC, Inc | — | Biotechnology | Seed | $2.1M | $4.2M | 2026 |
| Duracrin, LLC | — | Biotechnology | Pre-Seed | $1.0M | $1.7M | 2026 |
Sean Cassidy 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 Sean Cassidy on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Craig Crews | 3 | 6 |
| ANDREW LEVIN | 1 | 17 |
| Thong Le | 1 | 12 |
| Kush Parmar | 1 | 10 |
| Michael Harris | 1 | 10 |
| Tim Shannon | 1 | 9 |
| Stephen Squinto | 1 | 8 |
| Kendall Mohler | 1 | 5 |
| Jeff Hinck | 1 | 5 |
| Ian Howes | 1 | 5 |
| Michael Weiner | 1 | 5 |
| Liam Ratcliffe | 1 | 4 |
| Michael Nelson | 1 | 4 |
| Mitchell Hymowitz | 1 | 4 |
| Kenan Turnacioglu | 1 | 4 |
| Jonathan Soderstrom | 1 | 3 |
| Suzanne Rettenmier | 1 | 3 |
| Maneesh Goyal | 1 | 3 |
| Mike Harris | 1 | 3 |
| Michael Egholm | 1 | 3 |
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.