| 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 | NZL |
| 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 |
