Mario Onnis was born in Sardinia where he attended the Scientific High School and graduated in Languages. After taking courses with Francesca Ghermandi, Carll Cneut, Roberto Innocenti and Pia Valentinis he graduated from the Master Ars in Fabula. He has published in Italy and abroad and has collaborated since 2015 with the illustration school Ars in Fabula in Macerata.
