Astrid Rondero and Fernanda Valadez are Mexican writer-directors and producers. Through their 15-year collaboration, they have produced two feature length films, The Darkest Days of Us (2017) and Identifying Features, as well as three short films. Identifying Features received awards at the Sundance, San Sebastián, Zurich, and Thessaloniki film festivals, and a Gotham Award for Best International Film. Sujo is their third feature film together.