People · Operator
Named in public records as an officer, director or promoter · active 2025–2025 · Healthtech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Oxos Medical, Inc. | — | Healthtech | Series A | $34.7M | $31.0M | 2025 |
MICHAEL RIESEN 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 MICHAEL RIESEN on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jesse Coors-Blankenship | 1 | 6 |
| Gregg Hill | 1 | 5 |
| JAMES STUBBS | 1 | 3 |
| EVAN RUFF | 1 | 3 |
| GREGORY KOLOVICH | 1 | 2 |
| Joshua B. Hix | 1 | 2 |
| Greg B. Kolovich | 1 | 1 |
| KIRBY SISK | 1 | 1 |
| Greg Kolovich | 1 | 1 |
| James B. Stubbs | 1 | 1 |
| Andy B. Thorson | 1 | 1 |
| Charlie B. Bourland, III | 1 | 1 |
| J.A. B. Thorson | 1 | 1 |
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.