Tags: Cyclist.
Olivier Kaisen (born 30 April 1983) is a Belgian former professional road bicycle racer who competed professionally between 2005 and 2014. After riding for R.A.G.T Semences in 2005 Kaisen joined Davitamon-Lotto in 2006 and rode for the team for the remainder of his career. On 10 February 2014 it was announced that Kaisen was medically compelled to retire from the sport because of cardiac rhythm problems.
