Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 07/2016 - 09/2017 |  | Romania |  Romania | Manager |
| 08/2013 - 03/2014 |  | Bursaspor |  Turkey | Manager |
| 11/2011 - 06/2012 |  | Club Brugge KV |  Belgium | Manager |
| 03/2011 - 06/2011 |  | Eintracht Frankfurt |  Germany | Manager |
| 07/2009 - 06/2010 |  | Fenerbahçe | Turkey | Manager |
| 11/2006 - 05/2009 |  | 1. FC Köln | Germany | Manager |
| 07/2003 - 06/2006 | | Fenerbahçe | Turkey | Manager |
| 10/2002 - 06/2003 |  | Austria Wien |  Austria | Manager |
| 03/2001 - 05/2002 |  | Beşiktaş | Turkey | Manager |
| 07/1996 - 10/2000 |  | Bayer Leverkusen | Germany | Manager |
| 01/1994 - 05/1996 | | Beşiktaş | Turkey | Manager |
| 11/1990 - 12/1993 |  | VfB Stuttgart | Germany | Manager |
| 09/1986 - 06/1990 | | 1. FC Köln | Germany | Manager |
| 07/1985 - 09/1986 | | 1. FC Köln | Germany | Ass. Coach |
| 07/1981 - 06/1985 |  | 1. FC Köln II | Germany | Manager |
| 07/1982 - 07/1983 |  | 1. FC Köln U19 | Germany | Manager |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| Friendlies 2017 | | Romania | Manager |
| WC Qualifiers Europe 2016/2017 | | Romania | Manager |
| Friendlies 2016 | | Romania | Manager |
Career as a player
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 07/1975 - 06/1981 | | 1. FC Köln II | Germany | Midfield |
| 07/1972 - 06/1975 |  | Eintracht Duisburg 1848 | Germany | Midfield |
| 07/1971 - 06/1972 |  | SF Hamborn 07 | Germany | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DFB-Pokal | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Total | 2 | 2 | - | - | 180 | - | - | - | - | - | - |