Born in
Hasselt, Belgium, Vaesen spent his first professional season at Belgian sides
Cercle Brugge and
K.S.C. Eendracht Aalst, and on 21 May 1998 moved to English side
Huddersfield Town. He was sent off on his debut, but went on to play 135 league games. During his first season for the club, he won the club's Supporters' Player of the Year. After three years at Huddersfield, on 18 June 2001, he signed for
Birmingham City. He was given the first-choice goalkeeper role at Birmingham, helping the club win
promotion to the
Premier League via the
play-offs in 2002. A memorable moment in the promotion season was saving a
Gary Holt penalty in a 1–0 over
Norwich City. followed in 2004. At the end of that season he signed a new two-year contract with Birmingham, intending to compete for a first-team place.{{cite news He then moved to Belgian side
Lierse, but has since retired. In January 2008, he changed his mind and made a contract with
K.F.C. Verbroedering Geel. ==References==