After directing the Communication Department of Centro Cultural PUCP in Lima, she joined independent production company Mantarraya. For nine years as head of production, Moretti collaborated with filmmakers such as Carlos Reygadas and Amat Escalante. In 2007, she took over as head of distribution at Mantarraya, building one of the most important art house distribution companies in Mexico. In 2015, along with Hedi Zardi, she launched Luxbox, a production and sales company based in Paris. Luxbox represents the films of directors Karim Aïnouz, Sharunas Bartas, Bruno Dumont, Benjamin Naishtat and Bela Tarr, among others.