| Europa League 2023/2024 - Appearances as Referee |  |
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| 06/03/2024 | Sporting CP | - | Atalanta | 1:1 | 4 | - | - |
| 02/05/2024 | Olympique Marseille | - | Atalanta | 1:1 | 1 | - | - |
| Europa League 2023/2024 - Appearances as Referee | |
|
|
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| 06/03/2024 | Sporting CP | - | Atalanta | 1:1 | 4 | - | - |
| 02/05/2024 | Olympique Marseille | - | Atalanta | 1:1 | 1 | - | - |
| Complete name: | Daniel Siebert |
| Born: | 04/05/1984 |
| Place of birth: |
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | Sportwissenschaftler |
| Club: | FC Nordost Berlin |
| Height: | 191 cm |
| Weight: | 81 kg |
| Bundesliga (GER) appearances: | 185 |