People · Operator
Named in public records as an officer, director or promoter · active 2011–2025 · Other Health Care, Healthtech, Other, Biotechnology, Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Nuvaira, Inc. | — | Other Health Care | Series C | $177.8M | $191.7M | 2012 |
| Alleviant Medical, Inc. | — | Healthtech | Series C | $148.8M | $676.9M | 2020 |
| SpyGlassPharma, Inc. | — | Other Health Care | Series C | $134.8M | $484.8M | 2020 |
| Monteris Medical US, Inc. | — | Healthtech | Series B | $82.5M | $168.0M | 2019 |
| Okami Medical, Inc. | — | Healthtech | Series B | $77.2M | $125.4M | 2025 |
| Ceterix Orthopaedics, Inc. | — | Other Health Care | Series B | $54.4M | $510.5M | 2016 |
| Inari Medical, Inc. | — | Healthtech | Series B | $51.9M | $669.2M | 2011 |
| Moxe Health Corp | — | Healthtech | Series B | $34.8M | $403.8M | 2022 |
| Metavention, Inc. | — | Other | Series B | $30.0M | $499.0M | 2017 |
| Artelon, Inc. | — | Biotechnology | Series B | $20.0M | $230.5M | 2023 |
| iVEAcare, Inc. | — | Other Health Care | Series B | $15.5M | $108.5M | 2024 |
| VI1, Inc. | — | Other Technology | Series A | $5.0M | $17.9M | 2025 |
| Medical Device Innovations, Inc. | — | Other Health Care | Pre-Seed | $1.2M | $15.2M | 2012 |
Kirk Nielsen 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 Kirk Nielsen on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jonathan Root | 2 | 16 |
| Brian Cox | 2 | 5 |
| Paul Lubock | 2 | 3 |
| Maria Berkman | 2 | 3 |
| William Hoffman | 2 | 3 |
| Robert Rosenbluth | 2 | 2 |
| Donald Milder | 2 | 2 |
| Brian R. Smith | 1 | 21 |
| Ali Behbahani | 1 | 17 |
| Carter Meyer | 1 | 14 |
| Ashok Gowda | 1 | 12 |
| Joshua Makower | 1 | 10 |
| Peter Bisgaard | 1 | 9 |
| Gary Kurtzman | 1 | 8 |
| Kevin Sidow | 1 | 7 |
| Zach Scheiner | 1 | 6 |
| Robert Greenberg | 1 | 6 |
| Michael A. Carusi | 1 | 6 |
| Geoff Pardo | 1 | 6 |
| Doug Reed | 1 | 6 |
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.