Melanie Wacker is Metadata Coordinator at Columbia University Libraries and Information Services. She works with colleagues across the organization to ensure the integration of digital metadata with local and national systems to enable information discovery. Her responsibilities include development of application profiles for digital collections, metadata creation, training and consultations, and NACO/SACO work. Melanie is active in several national and international committees and task forces and has published papers in Library Resources and Technical Services, Cataloging & Classification Quarterly and Journal of Library Metadata.