| Games |
Sport (Discipline) / Event |
NOC / Team |
Phase |
Unit |
Role |
As |
|
|
2016 Summer Olympics
|
Water Polo (Aquatics) |
 RSA |
|
|
|
Dion Willis |
|
|
Water Polo, Women
(Olympic)
|
|
Match #1 |
Italy — Brazil |
Referee #2 |
|
|
|
Water Polo, Women
(Olympic)
|
|
Match #6 |
Australia — Brazil |
Referee #1 |
|
|
|
2020 Summer Olympics
|
Water Polo (Aquatics) |
RSA |
|
|
|
Dion Willis |
|
|
Water Polo, Men
(Olympic)
|
|
Match #3 |
Croatia — Kazakhstan |
Referee #1 |
|
|
|
Water Polo, Men
(Olympic)
|
|
Match #7 |
Spain — Kazakhstan |
Referee #2 |
|
|
|
Water Polo, Women
(Olympic)
|
|
Match 5/6 |
Australia — Netherlands |
Referee #2 |
|
|
|
Water Polo, Women
(Olympic)
|
|
Match #1 |
United States — ROC |
Referee #2 |
|
|
|
Water Polo, Women
(Olympic)
|
|
Match #3 |
United States — People's Republic of China |
Referee #2 |
|
|
|
Water Polo, Women
(Olympic)
|
|
Match #10 |
ROC — Japan |
Referee #2 |
|
|