Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 01/2026 - 06/2027 | ![]() | Vissel Kobe | Manager | |
| 02/2022 - 12/2025 | ![]() | Sanfrecce Hiroshima | Manager | |
| 10/2020 - 06/2021 | ![]() | Al Ain | Manager | |
| 07/2019 - 05/2020 | ![]() | Borussia Dortmund U19 | Manager | |
| 10/2015 - 10/2018 | ![]() | Greece | Manager | |
| 01/2015 - 10/2015 | ![]() | Eskişehirspor | Manager | |
| 07/2013 - 01/2015 | ![]() | Grasshopper Club Zürich | Manager | |
| 07/2012 - 11/2012 | ![]() | Karabükspor | Manager | |
| 01/2012 - 02/2012 | ![]() | Hertha BSC | Manager | |
| 07/2011 - 12/2011 | ![]() | Eskişehirspor | Manager | |
| 07/2009 - 03/2011 | ![]() | Eintracht Frankfurt | Manager | |
| 07/2008 - 02/2009 | ![]() | Galatasaray | Manager | |
| 10/2005 - 05/2008 | ![]() | Bayer Leverkusen | Manager | |
| 09/2004 - 07/2005 | ![]() | Germany U20 | Manager | |
| 07/2000 - 06/2004 | ![]() | Germany | Ass. Coach | |
| 07/1998 - 02/2000 | ![]() | Borussia Dortmund | Manager | |
| 07/1997 - 06/1998 | ![]() | Borussia Dortmund II | Manager | |
| 08/1994 - 06/1997 | ![]() | Borussia Dortmund U19 | Manager | |
| 07/1987 - 06/1989 | ![]() | FC Schalke 04 U19 | Manager |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| Nations League C 2018/2019 | Greece | Manager | |
| Friendlies 2018 | Greece | Manager | |
| WC Qualifiers Play-offs 2017 | Greece | Manager | |
| WC Qualifiers Europe 2016/2017 | Greece | Manager | |
| Friendlies 2016 | Greece | Manager | |
| Friendlies 2015 | Greece | Manager | |
| U20 World Cup 2005 Holland | Germany U20 | Manager | |
| U20 Friendlies 2005 | Germany U20 | Manager | |
| EURO 2004 Portugal | Germany | Ass. Coach | |
| Friendlies 2004 | Germany | Ass. Coach | |
| U20 Friendlies 2004 | Germany U20 | Manager | |
| Friendlies 2003 | Germany | Ass. Coach | |
| World Cup 2002 Japan/South Korea | Germany | Ass. Coach | |
| Friendlies 2002 | Germany | Ass. Coach |
Career as a player
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 07/1983 - 06/1987 | ![]() | FC Schalke 04 | Forward | |
| 07/1982 - 06/1984 | ![]() | FC Schalke 04 U19 | Forward | |
| 07/1981 - 06/1982 | ![]() | SG Wattenscheid 09 U17 | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bundesliga | 14 | 5 | 9 | 2 | 542 | 1 | - | - | 1 | - | - | » All matches | |
| 2. Bundesliga | 1 | - | 1 | - | 15 | - | - | - | - | - | - | » All matches | |
| DFB-Pokal | 1 | 1 | - | 1 | 27 | - | - | - | - | - | - | » All matches | |
| Total | 16 | 6 | 10 | 3 | 584 | 1 | - | - | 1 | - | - |



















