Gordon Margraf ("mark") Bussard is listed as Member/Limited Partner at Rock Springs Capital Management LP on SEC Form ADV.
Form ADV reports a beneficial ownership band of 50-75%.
| Title | Member/Limited Partner |
| Ownership | 50-75% |
| Control person | Yes |
| Since | 2013 |
| Title | Member |
| Ownership | 50-75% |
| Control person | Yes |
| Since | 2013 |