In 2014, he made his feature directorial debut with Love at First Fight, which won three César Awards including Best First Film.

[2] Born in Clermont-Ferrand[3] Cailley, studied at Sciences Po Bordeaux.

[4] After completing general studies, he spent three years working in a company producing television documentaries.

[5] In 2007, he entered La Fémis, studying in the screenwriting department.

[6] He is a member of the Collectif 50/50, which aims to promote gender equality and diversity in cinema and audiovisual.