People · Operator
Named in public records as an officer, director or promoter · active 2010–2011 · Telecommunications
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| GENBAND Holdings Co | — | Telecommunications | Series D+ | $525.3M | $6.9B | 2010 |
| GENBAND II, Inc. | — | Telecommunications | Series A | $12.8M | $189.1M | 2011 |
| Genband Inc. | — | Telecommunications | Seed | $4.0M | $85.2M | 2010 |
Russell Birk 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 Russell Birk on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jan Gaulding | 3 | 5 |
| Shauna Martin | 3 | 5 |
| Daryl Raiford | 3 | 3 |
| Ray Rothrock | 2 | 10 |
| David Walsh | 2 | 8 |
| Jon Bayless | 2 | 8 |
| John McNamara | 2 | 4 |
| Pablo Gargiulo | 2 | 3 |
| Mehmet Balos | 2 | 3 |
| Keith Landau | 2 | 3 |
| Mark Pugerude | 2 | 3 |
| Mark Lancaster | 2 | 3 |
| Fred Kemmerer | 2 | 3 |
| Charles Vogt | 2 | 3 |
| Steve Levy | 2 | 3 |
| Daniel Lakey | 2 | 3 |
| Jeff Townley | 2 | 2 |
| James Koven | 2 | 2 |
| Steven Levy | 1 | 3 |
| Bruce I. Sachs | 1 | 2 |
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.