Marvin Pierce Bush is listed as Vice-President/Director at Winston Capital Management LLC on SEC Form ADV.
Form ADV reports a beneficial ownership band of Under 5%.
| Title | Vice-President/Director |
| Ownership | Under 5% |
| Control person | Yes |
| Since | 1997 |
| Title | Manager |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 1996 |