People · Operator
Named in public records as an officer, director or promoter · active 2009–2021 · Other Technology, Other, Telecommunications
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Virtustream Inc | — | Other Technology | Series C | $115.4M | $157.1M | 2009 |
| Cologix Holdings, Inc. | — | Other Technology | Series C | $96.6M | $2.4B | 2010 |
| Declarative Holdings, Inc. | — | Other Technology | Series B | $77.0M | $106.6M | 2011 |
| Lemongrass Holdings, Inc. | — | Other | Series B | $64.3M | $289.8M | 2017 |
| Communications Infrastructure Investments Llc | — | Telecommunications | Series B | $33.5M | $644.0M | 2009 |
| Contino Holdings, Inc. | — | Other Technology | Series A | $28.1M | $249.7M | 2015 |
| BSI Platform Holdings, LLC | — | Other | Series A | $8.5M | $128.6M | 2015 |
| Envysion, Inc. | — | Other Technology | Seed | $8.3M | $34.1M | 2009 |
| Summit Infrastructure Group, Inc. | — | Other | Series A | $7.0M | $105.9M | 2013 |
John Siegel 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 John Siegel on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jason Booma | 4 | 6 |
| Patrick Hendy | 3 | 6 |
| David Northington | 3 | 5 |
| Kevin Reid | 2 | 6 |
| Rodney Rogers | 2 | 4 |
| Daniel Caruso | 2 | 4 |
| Jonathan Hallett | 1 | 10 |
| Alan Taetle | 1 | 10 |
| Brian Cox | 1 | 5 |
| Scott Beck | 1 | 4 |
| Gillis Cashman | 1 | 4 |
| Bill Cook | 1 | 3 |
| Kevin Cheetham | 1 | 2 |
| Grant Van Rooyen | 1 | 2 |
| Ken DesGarennes | 1 | 2 |
| Neil Hobbs | 1 | 2 |
| James Lim | 1 | 2 |
| Craig Ellis | 1 | 2 |
| Jeffrey Tench | 1 | 2 |
| JOHN A. DOWNER | 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.