Billey received her MLIS from Pratt Institute in 2009 with certificates in Archives and Museum Librarianship. At Pratt, she focused on metadata standards, cataloging, and digital libraries for cultural heritage institutions. She is currently the Metadata Librarian at Columbia University Libraries. Prior to Columbia, Billey worked as the Cataloging/Metadata Librarian at the University of Vermont Libraries. From 2009-2011, she was the metadata specialist for CollectiveAccess open-source collection management software for museums, archives, and historical societies. Billey served as the Vermont Library Association President from 2013-2014.