People · Operator
Named in public records as an officer, director or promoter · active 2011–2021 · Other, Other Technology, Software / Tech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| MacKeyser Holdings, LLC | — | Other | Series B | $49.9M | $141.2M | 2011 |
| Egg Rock Holdings, LLC | — | Other | Series B | $35.9M | $382.1M | 2016 |
| Kit Check, Inc. | — | Other Technology | Series B | $35.2M | $458.6M | 2016 |
| Seaweed Bath Co. | — | Other | Series A | $8.3M | $65.6M | 2014 |
| Block Six Analytics, Inc. | — | Software / Tech | Seed | $1.8M | $62.2M | 2016 |
Adam Grossman 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 Adam Grossman on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Smith | 1 | 42 |
| Robert Ward | 1 | 10 |
| Vijay Lathi | 1 | 8 |
| Michael C. Brown, Jr. | 1 | 7 |
| Robert Putnam | 1 | 5 |
| Mark Edwards | 1 | 4 |
| Stephen McCormack | 1 | 4 |
| Tom Brown | 1 | 4 |
| David Brailer | 1 | 4 |
| Gil Pritchard | 1 | 3 |
| Scott Gordon | 1 | 3 |
| William Siegel | 1 | 2 |
| Sean Butler | 1 | 2 |
| Stephen J. McCormack | 1 | 2 |
| Elihu Gordis | 1 | 2 |
| Sharon M. Kieffer | 1 | 2 |
| Mark Rosenbaum | 1 | 2 |
| Kevin MacDonald | 1 | 2 |
| Allison McFarland | 1 | 1 |
| Pierre Keyser | 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.