| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2008 Summer Olympics
|
Hockey |
 NED |
|
|
|
Stella Bartlema |
|
|
Hockey, Women
(Olympic)
|
|
Group A |
Australia — Republic of Korea |
Umpire 2 |
|
|
|
Hockey, Women
(Olympic)
|
|
Group A |
Republic of Korea — South Africa |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Group B |
Argentina — Great Britain |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Group B |
United States — New Zealand |
Umpire 1 |
|
|
|
2012 Summer Olympics
|
Hockey |
NED |
|
|
|
Stella Bartlema |
|
|
Hockey, Women
(Olympic)
|
|
Final Round |
Japan — South Africa |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Group A |
Great Britain — Republic of Korea |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Group A |
Japan — Belgium |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Group B |
Australia — United States |
Umpire 1 |
|
|
|
Hockey, Women
(Olympic)
|
|
Group A |
Great Britain — Japan |
Video Umpire |
|
|
|
Hockey, Women
(Olympic)
|
|
Group B |
New Zealand — Australia |
Video Umpire |
|
|
|
Hockey, Women
(Olympic)
|
|
Group B |
Argentina — Germany |
Reserve |
|
|
|
Hockey, Women
(Olympic)
|
|
Group B |
South Africa — United States |
Reserve |
|
|