Born February 21, 1981 in Goirle.

Having been the vocalist for Dutch gothic metal band After Forever for a long time, Floor went further after its break-up. In 2010 she presented herself with her band ReVamp.
In September 2012 Nightwish brought in Floor Jansen as a touring member on their Imaginaerum World Tour, which ended in August 2013. On October 9th 2013, Jansen was announced as full-time lead vocalist in Nightwish.