People · Operator
Named in public records as an officer, director or promoter · active 2013–2021 · Manufacturing, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| GCP HGR Holdings, Inc. | — | Manufacturing | Series C | $67.2M | $672.0M | 2021 |
| Captivate Holdings, LLC | — | Other | Series B | $18.6M | $309.5M | 2013 |
| Captivate Network Holdings, Inc. | — | Other | Series B | $18.6M | $309.5M | 2013 |
Andrew P. Hertzmark 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 Andrew P. Hertzmark on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mark Jennings | 2 | 4 |
| John A. Hawkins | 2 | 2 |
| Joseph Forehand | 1 | 2 |
| Mark P. Jennings | 1 | 1 |
| William Greenblat | 1 | 1 |
| Louis P. Marino | 1 | 1 |
| Mark P. Shapiro | 1 | 1 |
| Douglas P. Kuckelman | 1 | 1 |
| Gregory P. Owens | 1 | 1 |
| Kent P. Stout | 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.