Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Jacek Zieli ski (born March 22, 1961 in Tarnobrzeg) is a Polish footballer, and football coach. Zieli ski began his career at Siarka Tarnobrzeg, and became captain in the 1977 season. Zieli ski later took over the manager role at many Polish clubs, such as Korona Kielce, GKS Be chatów, Górnik czna, Groclin Dyskobolia, and Polonia Warsaw. On 5 June 2009 he took over Lech Pozna where he won Polish Championship in 2009/2010 season. After defeat in Champions League third round qualifications, team was moved to Europa League then won next games and has been promoted to group stage of this tournament.