He raised to popularity by the 2008 Spanish erotic drama Diario de una Ninfómana—better known as Diary of a Sex Addict.
Molina has an extensive professional career and has supplemented his training in dozens of movies including "Airbag", "What Women Laugh" and "Memories of Fallen Angel" in which he has participated as a Focus Puller and operator, giving him broad experience in the use of image and light.
Molina has worked with leading directors of photography, such as Fernando Arribas, José Luis Alcaine and Paco Femenía.
In 2008, Christian Molina faces his second challenge as director, Diary of a Nymphomaniac, producing higher economic level and based on the acclaimed best-selling novel by Valérie Tasso, played by actors of the caliber of Belén Fabra, Leonardo Sbaraglia, Geraldine Chaplin, Ángela Molina and Llum Barrera.
L'Estacio de l'oblit (Station of the Forgotten), was co-directed with Sandra Serna, starring Nilo Mur, and Fermí Reixach Katia Klein, among others.