Career
He joined Aalesund from Vålerenga ahead of the 2008 season. In Vålerenga he made his debut in the Norwegian Premier League in 2004. Mathisen has played for the youth team of the Italian side Parma.
He joined Aalesund from Vålerenga ahead of the 2008 season. In Vålerenga he made his debut in the Norwegian Premier League in 2004. Mathisen has played for the youth team of the Italian side Parma.