| 08/2011 - aktuell | Perspolis Teheran | Technischer Direktor |
| 10/2010 - 06/2011 | Genclerbirligi Ankara | Head Coach |
| 06/2009 -10/2010 | Genclerbirligi Ankara | Co-TR |
| 04/2007 - 06/2009 | Borussia Dortmund | Co-TR |
| 01/2004 - 01/2007 | Hamburger SV | Co-TR |
| 08/2003 - 01/2004 | Ghana Nationalteam | Head Coach |
| 01/2003 - 08/2003 | King Faisal Kumasi | Head Coach |
| 09/2002 - 12/2002 | Asante Kotoko | Head Coach |
| 01/2000 - 02/2002 | VfL Bochum | Head Coach |
| 08/1994 - 12/1999 | Vfl Bochum | Co-TR |
| 07/1981 - 06/1995 | VfL Bochum | Spieler |
| 07/1979 - 06/1981 | Preußen Münster | Spieler |
