Mathias Jack

Born in Leipzig, Jack began his career with Wismut Aue before moving to VfB Oldenburg in 1991. Following two years with them, Jack had a similar length of spell with Rot-Weiss Essen. Jack played for Essen in the 1994 German Cup Final. He then had spells with VfL Bochum and Fortuna Düsseldorf. Jack moved to Scottish side Hibernian in 1999, going on to make over 100 appearances for the Easter Road side. He played for Hibs in the 2001 Scottish Cup Final, a 3–0 defeat by Celtic. Following his departure in the summer of 2003, Jack had a short spell with Raith Rovers in November before returning to his hometown with Sachsen Leipzig. In 2005, Jack moved abroad again to Icelandic side Grindavik before returning to Germany in 2006 with SV Meppen. Jack joined DJK Amisia Rheine in January 2008, initially signing a contract until the end of the season.

Jack was Taşkın Aksoy's assistant manager at Fortuna Düsseldorf II. He became caretaker manager of the side when Aksoy became caretaker manager of the club's first team.