Valentine is curator for the domains Amateur Recordings, Business and Industry and Advertising. She has been working at Sound & Vision since 2008 and has extensive knowledge of archiving audiovisual media. From collection formation, copyrights, digitization to metadata, inflow and preservation. She is currently working on the Westerbork project, captured on film and on the renewal of the museum for the theme 'Selling'.
Valentine studied Media & Culture at the University of Amsterdam, major in film, minor in cultural history. She is chairman of the Stichting Amateurfilm.