| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Juan•Hernández Sierra | |
| Used name | Juan•Hernández Sierra | |
| Born | 16 March 1969 in Guane, Pinar del Río | |
| Measurements | 185 cm / 67 kg | |
| NOC | Cuba |
| Medals | OG |
| Gold | 0 |
| Silver | 2 |
| Bronze | 0 |
| Total | 2 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Boxing | Juan Hernández Sierra | ||||
| Welterweight, Men (Olympic) | 2 | Silver | ||||
| 1996 Summer Olympics | Boxing | Juan Hernández Sierra | ||||
| Welterweight, Men (Olympic) | 2 | Silver | ||||
| 2000 Summer Olympics | Boxing | Juan Hernández Sierra | ||||
| Light-Middleweight, Men (Olympic) | 5 |