Writer and director Mariam Khatchvani was born in Ushguli, Svanati and studied film directing at the Shota Rustaveli State Film University. She has directed numerous documentaries, including Verdzoba (2006), Beyond the Window (2007) and Lichanishi and Kvirikoba (2009).
In 2013, Mariam made her short film Dinola. Funded by the Georgian National Film Centre, it was hugely successful and screened at over forty film festivals including Hong Kong Film Festival, Doha, Tribeca Film Festival, Clermont-Ferrand Film Festival, Friborg Film Festival, Brussels Short Film Festival, Uppsala Film Festival, Sarajevo Film Festival. It was also one of five nominees for best short film at the European Film Awards in 2014. DEDE is her first feature film.