Gregory Paul Fournier is listed as Managing Principal at Greenbrook Management, LLC on SEC Form ADV.
Form ADV reports a beneficial ownership band of Under 5%.
| Title | Managing Principal |
| Ownership | Under 5% |
| Control person | Yes |
| Since | 2020 |
| Title | Owner |
| Ownership | 50-75% |
| Control person | Yes |
| Since | 2020 |