Career
He also served as provincial secretary of the Italian Communist Youth Federation (1984–1988) and of the PDS (1995–1998). In 1996 and 2001 he was elected to the Chamber of Deputies. From 2006, when he did not stand for re-election, to 2010, Ruzzante worked as director-general of the parliamentary groups of The Olive Tree and the Democratic Party (Privatdozent ).
In the 2010 regional election he returned to elective politics and was elected to the Regional Council of Veneto for the Privatdozent . He was re-elected in 2015.