Geoffrey Douglas Marsh is listed as Treasurer at Octagon Financial Services Inc on SEC Form ADV.
Form ADV reports a beneficial ownership band of Under 5%.
| Title | Treasurer |
| Ownership | Under 5% |
| Control person | Yes |
| Since | 2013 |
| Title | Managing Member |
| Ownership | — |
| Control person | Yes |
| Since | 2025 |