 He stayed there until 2003, scoring twice against Newcastle United and Nottingham Forest, when his contract was not renewed and he moved to RBC Roosendaal before eventually retiring in the summer of 2007.While at Leeds he picked up the nickname ""The Terminator"" from the fans due to his bulky physique and height.After working as assistant manager of NEC and manager of amateur side RKSV Halsteren, Molenaar was appointed manager of Eerste Divisie side FC Volendam from July 2015.