Kay Ann Cassell received her BA from Carnegie Mellon University, her MLS from Rutgers University, and her PhD from the International University for Graduate Studies. She has worked in academic libraries and public libraries as a reference librarian and as a library director. Ms. Cassell is a past president of the Reference and User Services Association of ALA and is active on ALA and RUSA committees. She was the editor of the journal Collection Building and is the author of numerous articles and books on collection development and reference service. She was formerly the Associate Director of Collections and Services for the Branch Libraries of the New York Public Library where she was in charge of collection development and age-level services for the Branch Libraries. She now teaches in the School of Communication and Information at Rutgers, the State University of New Jersey.