[1] Leoni competed at the 2014 Winter Olympics for Italy.
[2][3] As of September 2014, his best showing at the World Championships is 14th, in the 2013 snowboard cross.
[1] Leoni made his World Cup debut in March 2012.
As of September 2014, his best finish is 5th, coming at three events.
This biographical article related to snowboarding in Italy is a stub.