| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Brett Geoffrey•de Thier |
| Used name | Brett•de Thier |
| Born | 14 June 1945 in Christchurch, Canterbury (NZL) |
| Measurements | 185 cm |
| Affiliations | Christchurch Yacht Club, Christchurch (NZL) |
| NOC | New Zealand |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Sailing | NZL |
Brett de Thier | |||
| One Person Dinghy, Open (Olympic) | 10 |