Gregory Brian Gleason is listed as Managing Partner at Wynnchurch Capital, L.P. on SEC Form ADV.
Form ADV reports a beneficial ownership band of 25-50%.
| Title | Managing Partner |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2021 |
| Title | Member |
| Ownership | 50-75% |
| Control person | Yes |
| Since | 2024 |