Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 01/2025 - 06/2028 |  | 1. FC Köln |  Germany | Manager |
| 06/2018 - 07/2025 |  | Germany | Germany | Ass. Coach |
| 07/2013 - 06/2018 |  | VfL Wolfsburg | Germany | Ass. Coach |
| 01/2009 - 06/2011 | | VfL Wolfsburg | Germany | Ass. Coach |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| Friendlies 2025 | | Germany | Ass. Coach |
| Olympic Games, Women 2024 Paris | | Germany | Ass. Coach |
| EM-Quali Liga A 2024 | | Germany | Ass. Coach |
| Friendlies 2024 | | Germany | Ass. Coach |
| Nations League A 2023/2024 | | Germany | Ass. Coach |
| World Cup 2023 Australia/New Zealand | | Germany | Ass. Coach |
| Friendlies 2023 | | Germany | Ass. Coach |
| EURO 2022 England | | Germany | Ass. Coach |
| Friendlies 2022 | | Germany | Ass. Coach |
| World Cup Qualifiers Europe 2021/2022 | | Germany | Ass. Coach |
| Friendlies 2021 | | Germany | Ass. Coach |
| EURO Qualifiers 2019-2021 | | Germany | Ass. Coach |
| World Cup 2019 France | | Germany | Ass. Coach |
| Friendlies 2019 | | Germany | Ass. Coach |
| World Cup Qualifiers Europe 2017/2018 | | Germany | Ass. Coach |
| Friendlies 2018 | | Germany | Ass. Coach |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 04/2011 - 06/2011 | | VfL Wolfsburg | Germany | Midfield | 22 |
| 01/2007 - 10/2008 | | VfL Wolfsburg | Germany | Midfield | 22 |
| 07/2004 - 12/2006 |  | Turbine Potsdam | Germany | Midfield | 4 |
| 07/1999 - 06/2004 |  | Hamburger SV | Germany | Midfield | 22 |
| 07/1996 - 06/1997 |  | Schmalfelder SV | Germany | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 14 | 14 | - | 6 | 1.093 | 1 | - | - | 1 | - | - | » All matches |
| Bundesliga | 145 | 144 | 1 | 16 | 12.680 | 6 | - | - | 20 | - | - | » All matches |
| DFB-Pokal | 3 | 3 | - | 1 | 244 | - | - | - | - | - | - | » All matches |
| Bundesliga Cup | 4 | 3 | 1 | - | 273 | - | - | - | 1 | - | - | » All matches |
| Total | 166 | 164 | 2 | 23 | 14.290 | 7 | - | - | 22 | - | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Friendlies | 20 | 17 | 3 | 13 | 1.135 | 1 | - | - | 1 | - | - | » All matches |
| World Cup Qualifiers Europe | 3 | 3 | - | 3 | 178 | 2 | - | - | - | - | - | » All matches |
| EURO | 5 | 3 | 2 | 1 | 301 | - | - | - | - | - | - | » All matches |
| EURO Qualifiers | 3 | 2 | 1 | 2 | 171 | 1 | - | - | - | - | - | » All matches |
| Total | 31 | 25 | 6 | 19 | 1.785 | 4 | - | - | 1 | - | - |