People · Operator
Named in public records as an officer, director or promoter · active 2009–2009 · Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Visiblegains Inc. | — | Other Technology | Seed | $2.0M | $68.1M | 2009 |
Joshua S. Grotstein 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 Joshua S. Grotstein on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Edward J. Stewart | 1 | 4 |
| Brian J. Whipple | 1 | 1 |
| Michael S. O'Malley | 1 | 1 |
| Sean S. Marsh | 1 | 1 |
| Carl J. Stjernfeldt | 1 | 1 |
| Clifford M. Pollan | 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.