| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Cornel•Hollenstein |
| Used name | Cornel•Hollenstein |
| NOC |  Switzerland |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Artistic Gymnastics (Gymnastics) | SUI |
Cornel Hollenstein | ||||
| All-Around, Individual, Men (Olympic) | Horizontal Bar | Horizontal Bar | A2 Judge | ||||
| Team, Men (Olympic) | Rings | Rings | B3 Judge | ||||
| Vault, Men (Olympic) | Final | Final | B1 Judge | ||||
| Rings, Men (Olympic) | Qualifying Round | Qualifying Round | B5 Judge |
