Contreras graduated from the Centro Universitario de Estudios Cinematográficos of the UNAM.
In 2007, Párpados azules (Blue Eyelids), his first feature-film received the Best Iberoamerican Film and Script awards, as well as the Mezcal Award of the Young Jury in the XXII Guadalajara International Film Festival.
He was later nominated for the Camera d’Or of the 60th Cannes Film Festival competing in the official selection of the 46th International Critics' Week.
[1] On November 1, 2017, Contreras began a two-year term as the president of the Mexican Academy of Film Arts and Sciences (Academia Mexicana de Artes y Ciencias Cinematográficas ), also known as AMACC.
[2] Paralleling, he produced and coedited the feature documentary The Last Heroes of the Peninsula, by director José Manuel Cravioto, with whom he is currently codirecting a documentary on the Mexican rock band Café Tacvba’s 20th Anniversary.