People · Operator
Named in public records as an officer, director or promoter · active 2008–2010 · Business Services
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| MHS Holding Company, Inc. | — | Business Services | Series A | $52.4M | $98.4M | 2010 |
| Management Health Solutions, Inc. | — | Business Services | Series A | $4.3M | $89.6M | 2008 |
William Zierolf 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 William Zierolf on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Michael Ferris | 2 | 4 |
| Kenneth Kelliher | 2 | 2 |
| Andrew M. Paul | 1 | 6 |
| Floyd Loop | 1 | 3 |
| Andrew Paul | 1 | 3 |
| Brett Fliegler | 1 | 3 |
| Daniel Lubin | 1 | 2 |
| Edward G. Murphy | 1 | 2 |
| Steven Epstein | 1 | 2 |
| Michael D. Ferris | 1 | 1 |
| Bruce Boggs | 1 | 1 |
| James Mead | 1 | 1 |
| Chris Garcia | 1 | 1 |
| Daniel D. Lubin | 1 | 1 |
| Floyd D. Loop | 1 | 1 |
| Kenneth D. Kelliher | 1 | 1 |
| James M. Mead | 1 | 1 |
| Brett D. Fliegler | 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.