| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Guillermo•Castellanos Martínez |
| Used name | Guillermo•Castellanos |
| Born | 6 November 1959 |
| Died | 30 August 2000 (aged 40 years 9 months 24 days) in Tijuana, Baja California (MEX) |
| Measurements | 172 cm / 60 kg |
| NOC |  Mexico |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Shooting | MEX |
Guillermo Castellanos | |||
| Trap, Open (Olympic) | =41 |
