| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2004 Summer Olympics
|
Artistic Gymnastics (Gymnastics) |
 RSA |
|
|
|
Robert Liefeldt |
|
|
Individual All-Around, Men
(Olympic)
|
|
Horizontal Bar |
|
A1 Judge |
|
|
|
Team All-Around, Men
(Olympic)
|
|
Horizontal Bar |
|
A1 Judge |
|
|
|
Horizontal Bar, Men
(Olympic)
|
|
Final |
|
A1 Judge |
|
|
|
Horizontal Bar, Men
(Olympic)
|
|
Qualifying Round |
|
A1 Judge |
|
|
|
2012 Summer Olympics
|
Artistic Gymnastics (Gymnastics) |
RSA |
|
|
|
Robert Liefeldt |
|
|
Individual All-Around, Men
(Olympic)
|
|
Horizontal Bar |
|
Execution Reference Judge 1 |
|
|
|
Individual All-Around, Men
(Olympic)
|
|
Horizontal Bar |
|
Execution Reference Judge 1 |
|
|
|
Team All-Around, Men
(Olympic)
|
|
Horizontal Bar |
|
Execution Reference Judge 1 |
|
|
|
Team All-Around, Men
(Olympic)
|
|
Pommelled Horse |
|
Execution Reference Judge 2 |
|
|
|
Pommelled Horse, Men
(Olympic)
|
|
Final |
|
Execution Reference Judge 1 |
|
|
|
Horizontal Bar, Men
(Olympic)
|
|
Qualifying Round |
|
Execution Reference Judge 1 |
|
|