| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2008 Summer Olympics
|
Hockey |
 NED |
|
|
|
Roel van Eert |
|
|
Hockey, Men
(Olympic)
|
|
Match 5/6 |
Great Britain — Republic of Korea |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #3 |
Spain — Belgium |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #4 |
Australia — South Africa |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #10 |
Canada — Great Britain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #14 |
Canada — South Africa |
Umpire 1 |
|
|
|
2012 Summer Olympics
|
Hockey |
NED |
|
|
|
Roel van Eert |
|
|
Hockey, Men
(Olympic)
|
|
Match 5/6 |
Belgium — Spain |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #1 |
Australia — South Africa |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #5 |
South Africa — Great Britain |
Umpire 2 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #10 |
New Zealand — Belgium |
Umpire 1 |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #3 |
Great Britain — Argentina |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #7 |
Australia — Argentina |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #13 |
Australia — Pakistan |
Reserve |
|
|
|
Hockey, Men
(Olympic)
|
|
Match #15 |
Spain — Great Britain |
Reserve |
|
|
