Tissi was born in Landriano, Province of Pavia.[2] He began dancing at age five, after seeing a ballet on television, at a new ballet school in his hometown. He entered La Scala Theatre Ballet School in Milan when he was ten.[2] In 2013, he was one of the students from several ballet schools to perform at Grand Kremlin Palace, Moscow, for the 100th anniversary celebration of Bolshoi Ballet School.[1] He graduated in 2014,[3] after eight years of training.[1]