Mar Coll was born in 1981 in Barcelona. In 2004 she directed the short film La última polaroid, with which she graduated from the Escola Superior de Cinema the Audiovisuals de Catalunya and which earned her the best director award for the category of New Authors sponsored by the SGAE at the 38th International Film Festival of Catalonia in 2005. After her father's death, she made his first feature movie Three Days with the Family (2009) strongly connected and inspired by this theme. The film won the Gaudí Award for Best Director and the Goya Award for Best Debut Director. In 2013 she diurected her second film, We All Want What’s Best for Her, with which she gets a nomination for the Gaudí Award for best direction.