People · Operator
Named in public records as an officer, director or promoter · active 2014–2015 · Biotechnology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| StemProtein, LLC | — | Biotechnology | Series A | $5.0M | $180.8M | 2014 |
| CardioCell, LLC | — | Biotechnology | Seed | $1.1M | $47.1M | 2015 |
Sergey Sikora 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 Sergey Sikora on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Roger J. Howe | 2 | 3 |
| Nikolai Tankovich | 1 | 2 |
| Sergey J. Leshkov | 1 | 1 |
| Thomas S. Silberg | 1 | 1 |
| Leo S. Spiegel | 1 | 1 |
| Sergey S. Leshkov | 1 | 1 |
| Stephen J. Epstein | 1 | 1 |
| Richard J. Jaffe | 1 | 1 |
| Robert S. Sullivan | 1 | 1 |
| Nikolai Tankoviche | 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.