Born and raised in Sarajevo, Una Gunjak studied in Italy and in the UK, where she obtained her MA in Editing at the National Film and Television School. While still working as an editor, her current focus is writing and directing. In 2014 her short film The Chicken premiered at Cannes Critics' Week, won the European Film Award for Best Short Film and was selected for the International Competition of the Sundance Film Festival. Excursion, her first feature, had its world premiere at Locarno, opening the Cineasti del Presente programme and taking the Special Mention Award; it screened at more than 50 festivals, winning Best Actress in Marrakech and Best Script at the Auteur Film Festival in Belgrade. In 2025 she co-directed the TV series Komar, selected for Berlinale Series Market 2026. She is preparing her second feature, Melissa Blew a Fuse, and works as an editing consultant and tutor for First Cut Lab, Dok Incubator and Jihlava Film Academy.

Una Gunjak rođena je i odrasla u Sarajevu, a studirala je u Italiji i Velikoj Britaniji, gdje je magistrirala montažu na National Film and Television School. Iako i dalje radi kao montažerka, danas je posvećena scenariju i režiji. Njen kratki film Piletina premijerno je prikazan 2014. u Nedjelji kritike u Kanu, osvojio Evropsku filmsku nagradu za najbolji kratki film i uvršten u međunarodni takmičarski program Sandensa. Njen prvi dugometražni film Ekskurzija imao je svjetsku premijeru u Lokarnu, otvorio program Cineasti del Presente i osvojio specijalno priznanje; prikazan je na više od 50 festivala, a osvojio je nagrade za najbolju glumicu u Marakešu i najbolji scenario na Festivalu autorskog filma u Beogradu. Godine 2025. korežirala je seriju Komar, izabranu za Berlinale Series Market 2026. Priprema svoj drugi dugometražni film Melissa Blew a Fuse, a radi i kao konsultantkinja za montažu i mentorka programa First Cut Lab, Dok Incubator i Jihlava Film Academy.