Tyler V Cook is listed as Managing Partner at John e. Sestina and Company on SEC Form ADV.
Form ADV reports a beneficial ownership band of 25-50%.
| Title | Managing Partner |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2015 |
| Title | Owner |
| Ownership | — |
| Control person | Yes |
| Since | 2015 |