People · Operator
Named in public records as an officer, director or promoter · active 2022–2022 · Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| MainStreetChamber Holdings, Inc. | — | Other | Seed | $4.2M | $1.5M | 2022 |
Jeffrey Rubinstein 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 Rubinstein on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Iain K. Stewart | 1 | 1 |
| Thomas K. Mancuso | 1 | 1 |
| Phil K. Allen | 1 | 1 |
| Trevor K. Moss | 1 | 1 |
| Keith L. Simon | 1 | 1 |
| Steven K. Jones | 1 | 1 |
| Eric K. Stevenson | 1 | 1 |
| John L. Key | 1 | 1 |
| Andrews Huntley | 1 | 1 |
| Larry Kozin | 1 | 1 |
| Jeffrey Bartkowiak | 1 | 1 |
| John Bellave | 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.