Ann Thornton

Vice Provost and University Librarian

Columbia University

Ann D. Thornton is the Columbia University Librarian and Vice Provost. Thornton comes to Columbia after almost two decades at the New York Public Libraries, where she was the Andrew W. Mellon Director. Thornton has held a series of senior leadership positions at the New York Public Libraries, spanning the sciences, business, the humanities and social sciences. She has been responsible for collecting, preserving and presenting the institution’s vast collections. She has also helped lead in the areas of electronic resources, reference and research services and public training. Before coming to New York, she was a systems librarian with the University of Houston Libraries.