Pilar studied Business Administration at the Complutense University of Madrid. She worked for years at Arthur Andersen, a firm dedicated entirely to the media industry, carrying out consulting and auditing projects for the most important companies in the Spanish audiovisual industry. After leaving Arthur Andersen, Pilar participated in the launch of the Cosmopolitan Channel, a joint venture between Hearst Group and Multipark, and worked with them until 2002 as the company's Chief Financial Officer.

In July 2002, she joined Morena Films as Chief Financial Officer and was promoted in 2003 to her current position as Managing Director of the company, where she is responsible for its management and strategic planning. She also serves as an executive producer on Morena's productions.