Master's degree in library science (MLS); minimum of four years related experience and/or training. Must have experience with all aspects of library services including on-line library tools, reference, acquisitions, patron services, project management and staff/volunteer training. Must possess excellent written, verbal and interpersonal communication skills, and knowledge of advancements in library technology, including best practices for digitization and other electronic modes of sharing holdings and information.  Minimum four years specialized library experience, including head librarian and supervisory experience. Knowledge of horticultural and/or botanical subjects preferred; acquaintance with CBHL a plus. Familiarity with book publishing desired. Working knowledge of IBM compatible computers and Microsoft Office software.