She was elected in October 1994 as a municipal councillor for Namur. She entered the
Chamber of Representatives on 13 June 1999, a position that she held until 17 January 2007. She became the secretary of the Chamber on 18 May 2003. She was president of the
Liberal Reformist Party (PRL) federation of the Namur-Capitale district beginning in 2001 and was appointed as vice president of the PRL in the same year. She was leader of the
Reformist Movement (MR) group on the Namur council in 2005 and the alderman for Finance, Commerce and the Economy in November 2006. In the October 2012 municipal elections in Namur, the MR joined with the
Humanist Democratic Centre (cdH) to create a majority.
Maxime Prévot became the mayor and Barzin was appointed as the first alderman. In July 2014, Prévot gained a position with the Walloon government and Barzin became the delegate for mayoral affairs, acting as the mayor while Prévot was unable. She gave up her seat in the Walloon Parliament to take this position and became the co-opted member in the
Senate of Belgium for the MR on 10 July 2014. She left the senate on 25 May 2019, the same day that she was awarded the
Officer of the Order of Leopold on 25 May 2019. == References ==