People · Operator
Named in public records as an officer, director or promoter · active 2009–2023 · Biotechnology, Other Health Care, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Metagenomi Technologies, LLC | — | Biotechnology | Series D+ | $345.1M | $1.7B | 2022 |
| ITC Nexus Holding Company, Inc. | — | Other Health Care | Series C | $191.8M | $353.7M | 2010 |
| Cardiodx Inc | — | Biotechnology | Series C | $174.0M | $742.4M | 2010 |
| Vineti, Inc. | — | Biotechnology | Series C | $115.7M | $2.8B | 2018 |
| Trius Therapeutics Inc | — | Biotechnology | Series B | $49.3M | $1.2B | 2009 |
| Menlo Microsystems, Inc. | — | Other | Series B | $22.5M | $373.1M | 2016 |
| Corthera Inc | — | Other | Series B | $21.0M | $249.2M | 2009 |
| PinkDx, Inc. | — | Biotechnology | Series B | $17.0M | $167.6M | 2023 |
| Hx Diagnostics Inc | — | Other Health Care | Series A | $4.7M | $93.8M | 2009 |
Risa Stack 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 Risa Stack on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Brook Byers | 2 | 13 |
| ANDREW LEVIN | 1 | 17 |
| PAUL CONLEY | 1 | 17 |
| Beth Seidenberg | 1 | 15 |
| Michael Goldberg | 1 | 11 |
| Nina Kjellson | 1 | 11 |
| Patrick Enright | 1 | 10 |
| Emily Melton | 1 | 10 |
| Noah Knauf | 1 | 9 |
| Brian G. Atwood | 1 | 8 |
| Patrick G. Enright | 1 | 7 |
| David Kabakoff | 1 | 7 |
| Rowan Chapman | 1 | 7 |
| Brian Dovey | 1 | 7 |
| James R. Tobin | 1 | 6 |
| William Ericson | 1 | 6 |
| Dennis Podlesak | 1 | 6 |
| Eli Casdin | 1 | 6 |
| John Finn | 1 | 5 |
| Ajit Singh | 1 | 5 |
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.