 In 2001 and 2002, Voskuilen skipped the Dutch team at the European Championships, and finished 13th and 16th respectively.In 2004, Voskuilen played in the second position for Shari Leibbrandt-Demmon, and they finished 12th, meaning promotion to the A Division.In 2005 they finished in 7th position and were awarded a place into the 2006 Ford World Women's Curling Championship where they finished in the last position.