People · Operator
Named in public records as an officer, director or promoter · active 2018–2024 · Biotechnology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Legacy Ventures, LLC | — | Biotechnology | Series A | $35.6M | $58.2M | 2018 |
Stephen Rybka 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 Stephen Rybka on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| C. David Adair | 1 | 4 |
| Robert Helmedag | 1 | 3 |
| Arthur Ulm, III | 1 | 1 |
| Mike David Kujak | 1 | 1 |
| Arthur J. Ulm III | 1 | 1 |
| Arthur Grigorian | 1 | 1 |
| Arthur Ulm | 1 | 1 |
| Steve Rybka | 1 | 1 |
| Mike Kujak | 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.