Career
He joined Icelandic club Fram in 2008. Tillen began his career with Chelsea, and played for their academy and reserve teams before joining Brentford at the end of the 2004-2005 season. Tillen is a pacy left sided player, equally at home at full back or on the wing, and showed his versatility by filling in at right back and right wing in the 2005-2006 season.
His contract was cancelled by mutual consent in January 2008, and the following month he signed for Icelandic team Fram.
He made his debut in the first game of the Landsbankadeild season, a 3–0 defeat of Fylkir on 10 May 2008. He spent five seasons with Fram, making a total of 113 appearances in league and cup matches.
On 22 October 2012, Tillen signed for Icelandic champions Fachhochschule on a two-year contract.
