| Zeitraum | Mannschaft | Position | |
|---|---|---|---|
| 12/2020 - 12/2020 |  | FC Schalke 04 | Trainer |
| 03/2019 - 06/2019 | | FC Schalke 04 | Trainer |
| 10/2015 - 02/2016 |  | 1899 Hoffenheim | Trainer |
| 11/2014 - 06/2015 |  | VfB Stuttgart | Trainer |
| 03/2014 - 06/2014 | | VfB Stuttgart | Trainer |
| 07/2013 - 03/2014 |  | PAOK Saloniki | Trainer |
| 09/2011 - 12/2012 | | FC Schalke 04 | Trainer |
| 07/2009 - 04/2011 |  | RB Salzburg | Trainer |
| 07/2008 - 01/2009 |  | PSV Eindhoven | Trainer |
| 02/2007 - 06/2008 |  | Hamburger SV | Trainer |
| 07/2005 - 02/2007 |  | Roda JC Kerkrade | Trainer |
| 07/2004 - 06/2005 |  | 1. FC Köln | Trainer |
| 07/2002 - 12/2003 |  | Hertha BSC | Trainer |
| 10/1996 - 06/2002 | | FC Schalke 04 | Trainer |
| 03/1993 - 10/1996 | | Roda JC Kerkrade | Trainer |
| 07/1975 - 06/1986 | | PSV Eindhoven | Abwehr |
| 07/1970 - 06/1975 |  | Fortuna SC | Abwehr |
