| Europa League 2011/2012 - Appearances as Assistant | ||||
| 20/10/2011 | Lokomotiv Moskva | - | AEK Athen | 3:1 |
| 03/11/2011 | FC Steaua Bucureşti | - | Maccabi Haifa | 4:2 |
| Europa League 2011/2012 - Appearances as Assistant | ||||
| 20/10/2011 | Lokomotiv Moskva | - | AEK Athen | 3:1 |
| 03/11/2011 | FC Steaua Bucureşti | - | Maccabi Haifa | 4:2 |
| Complete name: | Nicky Siebert |
| Born: | 29/12/1969 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |