James August Cook is listed as Managing Member at Tjt Capital Group, LLC on SEC Form ADV.
Form ADV reports a beneficial ownership band of 25-50%.
| Title | Managing Member |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2009 |
| Title | Principal, Managing Partner, And Chief Compliance Officer |
| Ownership | Over 75% |
| Control person | Yes |
| Since | 2025 |