People · Operator
Named in public records as an officer, director or promoter · active 2009–2021 · Other, Other Technology, Manufacturing
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Cobra Ultimate Holdings, LLC | — | Other | Series B | $35.3M | $586.1M | 2017 |
| Indigo Biosystems, Inc. | — | Other Technology | Series A | $10.3M | $235.8M | 2010 |
| Illusio, Inc. | — | Other Technology | Pre-Seed | $655K | $9.3M | 2019 |
| Stahl Specialty Co | — | Manufacturing | Pre-Seed | $600K | $9.2M | 2009 |
| Stahl Acquisition Llc | — | Manufacturing | Pre-Seed | $300K | $4.6M | 2009 |
Jeffrey Stone 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 Jeffrey Stone on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| KEVIN DAUGHERTY | 2 | 2 |
| ROBERT SYLVESTER | 2 | 2 |
| WILLIAM JOHNSON | 1 | 10 |
| Kevin Frick | 1 | 6 |
| Raul Zavaleta | 1 | 3 |
| Peter Waller | 1 | 2 |
| Paul Margolis | 1 | 2 |
| Robert D'Ambrosia | 1 | 1 |
| Joseph A. Ades | 1 | 1 |
| Randall K. Julian | 1 | 1 |
| James Spalding | 1 | 1 |
| Randall Julian | 1 | 1 |
| Andrew Dahlem | 1 | 1 |
| Kyle Song | 1 | 1 |
| Ethan Winner | 1 | 1 |
| Michael Xenakis | 1 | 1 |
| Jonathan Cheek | 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.