Jagiellonia Białystok backroom staff
We hold the names of 34 people on Jagiellonia Białystok's staff for 2025/26, beyond the players. Adrian Siemieniec manages the first team, with Hermes as assistant manager. Jagiellonia Białystok's is the joint 5th longest staff list of the 19 Ekstraklasa clubs we hold.
Coaching staff
The manager, the assistants and the coaches at every level of the club, 18 people
| NAME | ROLE | TEAM | AGE | NATIONALITY | PREVIOUSLY AT |
|---|---|---|---|---|---|
| Adrian Siemieniec | Manager | First team | 33 | Poland | - |
| Kamil Stanisławski | Manager | Under-19s | 42 | Poland | - |
| Daniel Rusek | Manager | Reserves | 35 | Poland | - |
| Hermes | Assistant manager | First team | 50 | Brazil | - |
| Łukasz Wiśniewski | Assistant manager | Under-19s | 39 | Poland | - |
| Łukasz Jonczyk | Assistant manager | Reserves | 39 | Poland | Widzew Łódź |
| Krzysztof Szynke | Coach | First team | 25 | Poland | - |
| Mikołaj Łuczak | Coach | First team | 30 | Poland |  |
| Tomasz Byszko | Coach | First team | 32 | Poland |  |
| Grzegorz Sandomierski | Goalkeeping coach | First team | 35 | Poland | - |
| Mariusz Bołdyn | Goalkeeping coach | First team | 51 | Poland |  |
| Mateusz Brański | Goalkeeping coach | Under-19s | 34 | Poland | - |
| Piotr Grzybko | Goalkeeping coach | Reserves | 45 | Poland | - |
| Grzegorz Arłukowicz | Fitness coach | First team | 33 | Poland | - |
| Maciej Zieniewicz | Fitness coach | First team | 27 | Poland | - |
| Martin Bielec | Fitness coach | First team | 36 | Poland | - |
| Bartosz Jurczak | Fitness coach | Under-19s | 23 | Poland | - |
| Michał Szóstko | Fitness coach | Reserves | 33 | Poland | - |
Medical and sports science
Doctors, physios and sports scientists, 8 people
| NAME | ROLE | TEAM | AGE | NATIONALITY |
|---|---|---|---|---|
| Michał Kwiatkowski | Chief doctor | Club-wide | 38 | Poland |
| Maciej Wendorff | Club doctor | First team | 55 | Poland |
| Michał Karpiński | Club doctor | First team | 42 | Poland |
| Marcin Piechowski | Head physio | Club-wide | 68 | Poland |
| Gaweł Dojlido | Physio | First team | 42 | Poland |
| Katarzyna Emich | Physio | First team | 38 | - |
| Adam Żuk | Physio | Under-19s | 29 | Poland |
| Filip Jaworski | Physio | Reserves | 29 | Poland |
Scouting and analysis
Scouts, recruitment analysts and performance analysts, 4 people
| NAME | ROLE | TEAM | AGE | NATIONALITY |
|---|---|---|---|---|
| Grzegorz Mańkowski | Chief scout | Club-wide | 36 | Poland |
| Piotr Rutkowski | Scout | Club-wide | 33 | Poland |
| Piotr Sidorowicz | Scout | Club-wide | 25 | Poland |
| Fábio Ribeiro | Performance analyst | First team | 33 | Portugal |
Football management
The people who run the football side, from the sporting director to the academy, 1 person
| NAME | ROLE | AGE | NATIONALITY |
|---|---|---|---|
| Przemysław Papiernik | Head of youth development | 42 | Poland |
Owners and directors
Who owns Jagiellonia Białystok and sits on its board
| NAME | ROLE | AGE | NATIONALITY | PREVIOUSLY AT |
|---|---|---|---|---|
| Wojciech Strzałkowski | Owner | 64 | Poland | - |
| Łukasz Masłowski | Director | 44 | Poland | Widzew Łódź before that Wisła Płock |
| Maciej Szymański | Director | 35 | Poland | Widzew Łódź before that Piast Gliwice |
Backroom staff at every Ekstraklasa club
The names we hold at each club in the division, 2025/26
Jagiellonia Białystok's list is the joint 5th longest of the 19, against a median of 32 across the division. Lech Poznań names the most, 51. Wieczysta Kraków names the fewest, 17.
Jagiellonia Białystok against the Ekstraklasa, department by department
Names held in each department, beside the average and the most at any one club
| DEPARTMENT | JAGIELLONIA BIAŁYSTOK | AVERAGE | MOST | AT |
|---|---|---|---|---|
| Coaching | 18 | 17 | 23 | Motor Lublin |
| Medical and sports science | 8 | 7 | 14 |  |
| Scouting and analysis | 4 | 5 | 11 |  |
| Football management | 1 | 1 | 2 | Widzew Łódź |
| Owners and directors | 3 | 3 | 5 | |
Backrooms the size of Jagiellonia Białystok's, in every league
Jagiellonia Białystok's 34 names make the joint 254th longest staff list of the 815 clubs we hold one for
| # | CLUB | LEAGUE | STAFF |
|---|---|---|---|
| 254 |  | Bundesliga | 34 |
| 254 |  | Danish Superliga | 34 |
| 254 |  | League One | 34 |
| 254 |  | National League | 34 |
| 254 | | Ekstraklasa | 34 |
| 254 | Fagiano Okayama | J1 League | 34 |
| 254 |  | Bundesliga | 34 |
| 254 |  | - | 34 |
| 254 |  | Ligue 1 | 34 |
| 254 |  | Ligue 2 | 34 |
| 254 | | Ekstraklasa | 34 |
| 254 |  | Championship | 34 |
| 254 | Motor Lublin | Ekstraklasa | 34 |
| 254 | NK Istra 1961 | Croatian First League | 34 |
| 254 |  | Danish Superliga | 34 |
| 254 |  | - | 34 |
| 254 |  | La Liga 2 | 34 |
| 254 |  | Eredivisie | 34 |
| 254 | | Ekstraklasa | 34 |
| 254 |  | - | 34 |
| 254 |  | Danish Superliga | 34 |
Where Jagiellonia Białystok's staff come from
3 nationalities across the 33 staff whose nationality we hold
Poland supplies 31 of the 33, 94%. The median age is 36. The oldest is Marcin Piechowski, head physio, at 68, and the youngest Bartosz Jurczak, fitness coach, at 23. 6 members of staff came from another club, most often Widzew Łódź (3).
Where Jagiellonia Białystok's former staff work now
On Jagiellonia Białystok's staff in an earlier season and at another club in 2025/26, 7 people
| NAME | ROLE NOW | NOW AT |
|---|---|---|
| Ireneusz Mamrot | Manager |  |
| Mariusz Jop | Manager |  |
| Marek Wasiluk | Coach | |
| Andrzej Olszewski | Goalkeeping coach | |
| Paweł Primel | Goalkeeping coach |  |
| Stanisław Gadziński | Fitness coach |  |
| Paweł Kawalec | Fitness coach | |
Frequently asked questions
Who is Jagiellonia Białystok's manager?
Adrian Siemieniec is the Jagiellonia Białystok first-team manager, aged 33. Hermes is the assistant manager.
Who is the goalkeeping coach at Jagiellonia Białystok?
Grzegorz Sandomierski and Mariusz Bołdyn coach the Jagiellonia Białystok first-team goalkeepers.
Who is Jagiellonia Białystok's head physio?
Marcin Piechowski is head physio at Jagiellonia Białystok.
Who is Jagiellonia Białystok's chief scout?
Grzegorz Mańkowski is chief scout at Jagiellonia Białystok.
How many backroom staff do Jagiellonia Białystok have?
We hold the names of 34 people on Jagiellonia Białystok's staff for 2025/26: 18 in coaching, 8 in medical and sports science, 4 in scouting and analysis, 1 in football management and 3 owners and directors. That is the joint 5th longest list of the 19 Ekstraklasa clubs we hold, against a median of 32. Across every league we hold, that list is the joint 254th longest of 815.
Where to next
For what Jagiellonia Białystok pays its squad, see Jagiellonia Białystok player wages. What each of these jobs pays across football is on backroom staff wages. Every club in the division is on Ekstraklasa wages.