Simeon Warner is the Associate University Librarian and Director of IT at Cornell University Library. His responsibilities include oversight of IT operations, user experience, web programming, digital preservation, and open scholarly publishing. He has a particular interest in interoperability between information systems and the development of standards and collaborations to facilitate that. Warner’s current work includes digital preservation (OCFL), evolution of the FOLIO library services platform, use of linked open data for description and discovery of library resources (LD4L/LD4P), image and A/V interoperability (IIIF), and repositories for open-access scholarly publishing (including work with Samvera and ORCID). Past projects include technical direction of the arXiv e-print archive and development of the OAI-PMH and ResourceSync standards.