Quatriglio was born in 1973, graduated in law in 1997, and in 1999 finished the Scuola Nazionale di Cinema 1999. Her short films were shown at many festivals around the world. Her film Anna! was shown in Cannes, within the program Universelle organized in collaboration with Kodak. Her first documentary, Ëcosaimale?, received great reviews at the Torino Film Festival. In 2001, she made the documentary Io, qui - il diritto di ricordare: viaggio attraverso le adozioni internazionali, produced by the Commission for International Adoptions within the Presidenza del Consiglio dei Ministri, department Affari Sociali and in collaboration with Tele +. With his film L’isola (The Island) he presented Italy at the “Quinzaine des realisateurs” in Cannes in 2003. This film was also shown in the program Panorama at the Annecy Cinema Italien in 2003, at the Cinema Mediterranéen Montpellier in 2003, Jerusalem International Film Festival in 2003 and Chicago International Film Festival in 2003 within the program New Directors Competition.