• American Library Association (ALA)   
    • Divisions--
      • CORE : Metadata and Collections Sections (was Association for Library Collections and Technical Services , ALCTS) 
        • CORE Metadata and Collections Section (CMCS) (was "Cataloging and Metadata Management Section")
          • Chair, RDA Implementation Task Force, 2007-2009
          • Research & Publications Committee, member 2019-2021
          • Committee on Education, Training and Recruitment for Cataloging
            • Task Force on Competencies and Education for a Career in Cataloging, Volunteer, 2008-2010
  • Association for Library and Information Science Education (ALISE)
    • Special Interest Groups (SIGs)
      • Metadata, Cataloging, & Collections SIG (formerly Technical Services Education) 
        • Co-Convener, 2022-2024
  • American Society of Information Science & Technology (ASIST)
    • ASIST Bulletin (1990-2027)
        • Editorial Board, 2004-2011
    • Annual Review of Information Science and Technology (ARIST) (1966-2011, 2023-current) 
        • Editorial Board, 2024-present
    • ASIST Representative for Student Chapter Advisors, 2006-2008
    • Special Interest Groups (SIGs)
        • Classification & Metadata Research (CMR), formerly Classification Research (CR)
        • History and Foundations of Information Science (HFIS), Chair 2003-2004
  • Cataloging & Classification Quarterly (CCQ)
    • Associate Editor, April 2025- present
    • Editorial Board, 2021-present
  • International Society for Knowledge Organization (ISKO)
      • Programme Committee, member, 10th International Conference, Montreal, June 2008
    • Chapter for Canada and United States (ISKO C-US)
      • Programme Committee, member, 3rd North American Symposium on KO (NASKO), June 2011
  • Journal of Library Metadata
    • Editorial Board,  2007-present
    • Guest editor, special edition for June 2012
  • North American RDA Steering Committee (NARDAC, a regional committee of the RDA Steering Committee)
    • Member, Library Science Education representative, 2024-present
  • Texas Library Association (TLA)
    • Cataloging and Metadata Roundtable (CMR) (formerly TRGCC)
      • member, 2003-present
      • Vice Chair/Chair Elect 2003-2004, 2004-2005, 2022-2023
      • TLA Council Representative 2007-2013, 2024-present
    • Publications Committee 2003-2006
      • Vice Chair 2005-2006
    • Transforming Texas Libraries, Visioning Task Force, December 2007-March 2008

Former memberships

    • Texas Center for Digital Knowledge (TxCDK), Research Fellow
    • Library Technology Now
      • Editorial Board, member 2004-2007
      • Thesaurus Review Board, Chair 2003-2007
      • Lead Developer, LTN Thesaurus 2003-2007
    • Metadata Education and Research Information Center (MERIC)
      • Advisory Board, member 2005-2006