| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Gregory Anton "Greg"•Sebald | |
| Used name | Greg•Sebald | |
| Original name | Γρηγόρης•Ζεπαλντ | |
| Born | 11 April 1963 in Sandstone, Minnesota |  USA |
| Measurements | 182 cm / 84 kg | |
| NOC | Greece |  GRE |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1994 Winter Olympics | Bobsleigh (Bobsleigh) | GRE |
Greg Sebald | |||
| Two, Men (Olympic) | Marinos Christopoulos | 34 | ||||
| 1998 Winter Olympics | Bobsleigh (Bobsleigh) | GRE |
Greg Sebald | |||
| Two, Men (Olympic) | John-Andrew Kampanis | 30 | ||||
| Four, Men (Olympic) | Greece | 31 |
