| Europa Conference League 2022/2023 - Appearances as Referee |  |
 |
 |
||||
| 15/09/2022 | Hapoel Be'er Sheva | - | Villarreal CF | 1:2 | 7 | - | - |
| 23/02/2023 | KAA Gent | - | Qarabağ FK | 5:3 pso | 6 | - | - |
| Europa Conference League 2022/2023 - Appearances as Referee | |
|
|
||||
| 15/09/2022 | Hapoel Be'er Sheva | - | Villarreal CF | 1:2 | 7 | - | - |
| 23/02/2023 | KAA Gent | - | Qarabağ FK | 5:3 pso | 6 | - | - |
| Complete name: | William Collum |
| Born: | 18/01/1979 |
| Place of birth: |
Glasgow, 
Scotland |
| Residence: | Motherwell |
| Nationality: |
Scotland |
| Profession: | Lehrer |
| Height: | 174 cm |
| Weight: | 69 kg |