Adrian Siemieniec
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.jpg) Siemieniec as coach of Jagiellonia Białystok in 2025 | |||
| Personal information | |||
|---|---|---|---|
| Date of birth | 13 January 1992 | ||
| Place of birth | Czeladź, Poland | ||
| Team information | |||
Current team | Jagiellonia Białystok (manager) | ||
| Youth career | |||
| Years | Team | ||
| MCKS Czeladź | |||
| Polonia Bytom | |||
| Managerial career | |||
| 2013–2014 | Rozwój Katowice II | ||
| 2022–2023 | Jagiellonia Białystok II | ||
| 2023– | Jagiellonia Białystok | ||
Adrian Siemieniec (born 13 January 1992) is a Polish professional football manager and former player who is currently the manager of Ekstraklasa club Jagiellonia Białystok.
A native of Czeladź, Poland, Siemieniec joined the academy of Polonia Bytom as a youth player. He retired at a young age after coming to the conclusion that he would not be able to break into professional football.[1]
Managerial career
Early career
Siemieniec's coaching career started when he was a student at the University of Physical Education in Katowice.[2] He joined Rozwój Katowice's staff as an intern, and remained there until 2014 as an assistant coach under Mirosław Smyła and Dietmar Brehmer, while simultaneously managing Rozwój's reserve team in his final year in Katowice.[1]
In 2014, he joined Chrobry Głogów as an assistant manager to Ireneusz Mamrot, and would later follow him to Jagiellonia Białystok in 2017, Arka Gdynia in 2020, ŁKS Łódź in 2021 and Jagiellonia again in 2021.[1]
Jagiellonia Białystok
On 14 January 2022, Siemieniec was appointed manager of Jagiellonia Białystok II. On 4 April 2023, following Maciej Stolarczyk's dismissal, he took on the role of manager of Jagiellonia's senior team until the end of the season.[3] At the age of thirty-one, he became the youngest manager in the Polish top flight.[4] In January 2024, Jagiellonia prolonged Siemieniec's contract for an additional two years.[5][6]
In the 2023–24 season, Siemieniec led Jagiellonia to an unlikely title win, clinching their first-ever top-flight championship with a 3–0 home victory over Warta Poznań on the last matchday of the season.[7] For this accomplishment, he was voted the Ekstraklasa Coach of the Season.[8]
Under Siemieniec, Jagiellonia qualified for a group or league phase of a UEFA competition for the first time, even reaching the quarter finals of the 2024–25 UEFA Conference League where they were eliminated by Real Betis.
Personal life
Siemieniec has a wife and four children.[9]