Constitutional law
Zanon was born in Turin. He was a professor of Constitutional law at the University of Milan before being appointed to the Constitutional Court by the Italian President, Giorgio Napolitano, on 18 October 2014. Zanon had also worked at the University of Turin as a comparative constitutional law researcher and as an assistant to Valerio Onida, a judge on the Constitutional Court of Italy. Zanon was sworn in on 11 November 2014.