Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 01/2004 - 12/2018 |  | Iceland U21 |  Iceland | Manager |
| 02/2011 - 03/2011 |  | VfL Wolfsburg |  Germany | Ass. Coach |
| 07/2009 - 10/2010 | | Iceland U21 | Iceland | Manager |
| 11/2005 - 10/2007 |  | Iceland | Iceland | Manager |
National teams managed
| Season | Team | Position | |
|---|---|---|---|
| U21 EURO Qualifiers 2017/2018 | | Iceland U21 | Manager |
| U21 EURO Qualifiers 2015/2016 | | Iceland U21 | Manager |
| U21 EURO Qualifiers 2013/2014 | | Iceland U21 | Manager |
| U21 EURO Qualifiers 2011/2012 | | Iceland U21 | Manager |
| U21 EURO 2011 Danmark | | Iceland U21 | Manager |
| U21 EURO Qualifiers 2009/2010 | | Iceland U21 | Manager |
| Friendlies 2007 | | Iceland | Manager |
| EURO Qualifiers 2006/2007 | | Iceland | Manager |
| Friendlies 2006 | | Iceland | Manager |
| Friendlies 2005 | | Iceland | Manager |
| U21 EURO Qualifiers 2004/2005 | | Iceland U21 | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/1995 - 06/2003 |  | Hertha BSC | Germany | Defence | 6 |
| 07/1994 - 06/1995 |  | Beşiktaş |  Turkey | Defence | |
| 01/1990 - 06/1994 |  | VfB Stuttgart | Germany | Defence | |
| 01/1985 - 12/1989 |  | UMF Tindastóll | Iceland | Defence |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 11 | 11 | - | 1 | 890 | - | - | - | 2 | - | - | » All matches |
| Champions League Qual. | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Europa League | 15 | 10 | 5 | - | 991 | 2 | - | - | - | - | - | » All matches |
| Cup Winners Cup | 4 | 4 | - | 1 | 340 | - | - | - | - | - | - | » All matches |
| Bundesliga | 251 | 198 | 53 | 36 | 18.278 | 30 | - | 23 | 64 | - | - | » All matches |
| 2. Bundesliga | 56 | 53 | 3 | 8 | 4.467 | 4 | - | 1 | 13 | 1 | - | » All matches |
| DFB-Pokal | 18 | 11 | 7 | 4 | 1.342 | 3 | - | 1 | 1 | - | - | » All matches |
| League Cup | 5 | 4 | 1 | 1 | 329 | 1 | - | - | 1 | - | - | » All matches |
| SüperLig | 31 | 31 | - | 4 | 2.705 | 9 | - | - | 4 | - | - | » All matches |
| Total | 393 | 324 | 69 | 55 | 29.522 | 49 | - | - | 85 | 1 | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers Europe | 23 | 23 | - | 4 | 1.992 | 5 | - | - | 5 | - | - | » All matches |
| Friendlies | 25 | 24 | 1 | 8 | 1.982 | 1 | - | - | 5 | - | - | » All matches |
| EURO Qualifiers | 18 | 17 | 1 | 4 | 1.482 | 4 | - | - | - | - | - | » All matches |
| Total | 66 | 64 | 2 | 16 | 5.456 | 10 | - | - | 10 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U21 EURO Qualifiers | 4 | 3 | 1 | 1 | 287 | 2 | - | - | - | - | - | » All matches |
| Total | 4 | 3 | 1 | 1 | 287 | 2 | - | - | - | - | - |