| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Gregory John "Greg"•Knowles |
| Used name | Greg•Knowles |
| Born | 10 September 1963 in Auckland, Auckland (NZL) |
| Measurements | 198 cm / 94 kg |
| NOC | New Zealand |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Sailing | NZL |
Greg Knowles | |||
| Two Person Heavyweight Dinghy, Open (Olympic) | Murray Jones | 5 | ||||
| 1992 Summer Olympics | Sailing | NZL |
Greg Knowles | |||
| Two Person Heavyweight Dinghy, Open (Olympic) | Murray Jones | 4 |