As a member of the Development team, Tierney supports EFF's organizational membership program, event sponsorships, and grant writing and reporting.

Her background is in art and technology, with past practice, research, and writing on interactivity, expanded cinema, information art, and culture jamming. She believes technology is our most potent means of free self-expression in the 21st century, and incorporates this passion into raising critical funds for EFF. Previously, Tierney worked in Northern and Southern California museums and arts nonprofits supporting exhibitions, development, and cultural planning. Tierney holds a BFA in Media Arts from California College of the Arts, an MA in Art & Curatorial Practice in the Public Sphere from the University of Southern California, and an MA in Visual & Cultural Studies from the University of Rochester.