César Diaz was born in Guatemala in 1978. He studied in Mexico and Belgium and then attended the screenwriting course at FEMIS (École nationale supérieure des métiers de l'image et du son) in Paris. For over ten years he worked as an editor of documentaries and fiction features. He directed two short documentary films: Semillas de cenizas, which was selected in twenty international festivals, and Territorio liberado, which won the IMCINE award in Mexico. Our Mothers is his first feature film.