People · Operator
Named in public records as an officer, director or promoter · active 2008–2025 · Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Open Road Impact, Inc. | — | Other | Series A | $10.4M | $35.7M | 2025 |
| Tempo Payments Inc | — | Other | Seed | $6.7M | $74.2M | 2009 |
| Magnetar Amalgamated, LLC | — | Other | Pre-Seed | $472K | $10.9M | 2016 |
| Magnetar Llc | — | Other | Pre-Seed | $466K | $10.8M | 2008 |
| Magnetar Partners, LLC | — | Other | Pre-Seed | $286K | $6.6M | 2012 |
| Magnetar Affiliates, LLC | — | Other | Pre-Seed | $251K | $5.8M | 2013 |
| Magnetar Associates, LLC | — | Other | Pre-Seed | $115K | $2.6M | 2012 |
Michael 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 Michael Grossman on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mark Goines | 1 | 11 |
| Eric Dunn | 1 | 5 |
| Mike Grossman | 1 | 3 |
| Jim Marshall | 1 | 3 |
| Scott Hatfield | 1 | 1 |
| Paul Briggs | 1 | 1 |
| Laurie Michaels | 1 | 1 |
| Caroline Bressan | 1 | 1 |
| Joseph Liszewski | 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.