Born in Aarhus, Riisager graduated from the University of Copenhagen with a master's degree in pedagogy in 2003. She has worked in the field of learning in a number of companies, including LEGO, before she was elected to the Folketing (the Danish parliament) in 2011 for the Liberal Alliance. Between 2006 and 2010, Riisager was a candidate to the Folketing for the Danish Social Liberal Party in Odense.[2]