Career
He has most notably been the manager of Odense BK. His career as a player ended in 1990 when Clausen was 19 years old due to an injury. In 1994 he took up coaching and has worked with Odense BK for the most of his career. On 7 November 2010 he was named new head coach of Odense BK"s Superliga team
OB did well after he took charge, finishing in second place behind F.C. Copenhagen in the 2010-2011 season leading to qualification for the Union of European Football Associations Champions League.
However the results in the following season was mixed, and Clausen was sacked by OB on 26 March 2012 following an embarrassing 2-4 home defeat against HB Køge. On 12 June 2013 he was named new manager of the Danish national under-18 football team
In November 2015 he became assistant manager of the Danish national under-21 football team He has a university degree in chemistry and sports.
