William Louis Lipsey is listed as Vice Chairman at Pzena Investment Management LLC on SEC Form ADV.
Form ADV reports a beneficial ownership band of Under 5%.
| Title | Vice Chairman |
| Ownership | Under 5% |
| Control person | Yes |
| Since | 1997 |
| Title | Manager |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2025 |