Berta Cusó is a Barcelona-born illustrator and author who has been based in Berlin since 2014. She studied architecture at the Polytechnic University of Catalonia and art and architecture at the City College of New York (CCNY) through ETSAB's international exchange program.

After finishing her studies, she moved to Berlin to work at a studio that designs spaces for installations, festivals, and international exhibitions. Five years later, she left that field to focus on illustration and comics.

Her nonfiction graphic novel Paral·lel, about Barcelona’s cabaret nightlife during the final decades of the Spanish dictatorship, was a finalist for the 2020 Ara de Còmic Prize in Catalan. With her graphic novel project La conca dels àngels (The Angel’s Basin), she won the 2022 VEGAP Proposals illustration category and the 2025 Núvol Sa Il·lustríssima Award. She won the 2025 Valencia Graphic Novel Award for her work L’extraordinària història del Circ Cric (The Extraordinary Story of Cric Circus). She currently teaches drawing and graphic expression at the Open University of Catalonia and leads comic and drawing workshops in Berlin.