People · Operator
Named in public records as an officer, director or promoter · active 2009–2019 · Pharmaceuticals, Other Health Care
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Metabolic Solutions Development Co Llc | — | Pharmaceuticals | Series B | $50.1M | $6.8M | 2009 |
| Grand River Aseptic Manufacturing, Inc. | — | Other Health Care | Series A | $11.5M | $7.1M | 2013 |
| Intervention Insights, Inc. | — | Other Health Care | Series A | $6.4M | $84.0M | 2011 |
Gerald Callahan 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 Gerald Callahan on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| John Kerschen | 2 | 5 |
| Mark Olesnavage | 2 | 4 |
| Wright Steenrod | 1 | 9 |
| Michael Gross | 1 | 9 |
| Robert Zerbe | 1 | 5 |
| Jerry Arthur | 1 | 3 |
| Connie Degen | 1 | 3 |
| Clynt Taylor | 1 | 3 |
| Jim Schultz | 1 | 3 |
| Timothy J. Tichenor | 1 | 3 |
| William Parfet | 1 | 2 |
| Michael Jandernoa | 1 | 2 |
| Tom Ross | 1 | 2 |
| Stephen Benoit | 1 | 2 |
| Greg Gonzales | 1 | 2 |
| Thomas J. Ross | 1 | 2 |
| James VanderLugt | 1 | 1 |
| Gerard Colca | 1 | 1 |
| Rolf Kletzien | 1 | 1 |
| Dennis Zoet | 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.