|Date of birth||29 October 1973|
|Place of birth||Skien, Norway|
|Height||1.88 m (6 ft 2 in)|
|* Senior club appearances and goals counted for the domestic league only|
Hansén was born in Skien. He formerly played for Gulset, Lillestrøm, Arminia Bielefeld, and Rosenborg. For his last club Odd Grenland, has played total eleven seasons, and 267 matches and scoring 6 goals. He retired after the 2010 season. On 8 February 2011, he sign a contract until 1 August 2011. On 1 August 2011, he retired from football.