Michael Levine-Clark is the collections librarian at the University of Denver's Penrose Library and has also held positions as a reference and documents librarian. He has an MS in library and information science from the University of Illinois, and an MA in history from the University of Iowa. He has recently completed a two-year term as the president of the Faculty Senate at the University of Denver, and has also held elected positions in RUSA's Collection Development and Evaluation Section. With colleagues from the Colorado Alliance of Research Libraries, he founded the open access journal Collaborative Librarianship, and currently serves as coeditor for scholarly articles. He has published and presented widely on various aspects of collections use and analysis, and is particularly interested in how these analyses can inform practice.