- American Library Association (ALA)
- Divisions--
- CORE : Metadata and Collections Sections (was Association for Library Collections and
Technical Services , ALCTS)
- Cataloging and Metadata Management Section (CaMMS)
- 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
- Cataloging and Metadata Management Section (CaMMS)
- CORE : Metadata and Collections Sections (was Association for Library Collections and
Technical Services , ALCTS)
- Divisions--
- American Library and Information Science Education (ALISE)
- Special Interest Groups
- Metadata, Cataloging, & Collections SIG (formerly Technical Services Education)
- Co-Convener, 2022-2024
- Metadata, Cataloging, & Collections SIG (formerly Technical Services Education)
- Special Interest Groups
- American Society of Information Science & Technology (ASIST)
- ASIST Bulletin
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- Editorial Board, 2004-2011
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- Annual Review of Information Science and Technology (ARIST)
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- Editorial Board, 2024-present
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- ASIST Representative for Student Chapter Advisors, 2006-2008
- Special Interest Groups (SIGs)
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- Classification Research (CR)
- Historical Foundations of Information Science (HFIS)
- Chair 2003-2004
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- ASIST Bulletin
- Cataloging & Classification Quarterly
- Editorial Board, 2021-present
- International Society of Knowledge Organization (ISKO)
- Programme Committee, member, 10th International Conference, Montreal, June 2008
- North American ISKO chapter member (NASKO) Programme Committee, member, 3rd North American Symposium on KO, June 2011
- Journal of Library Metadata
- Editorial Board, 2007-present
- Guest editor, special edition for June 2012
- North American RDA Steering Committee (NARDAC, regional committee of the RDA Steering Committee)
- Member, Library Science Education representative, 2024-present
- Texas Center for Digital Knowledge (TxCDK), Research Fellow
- 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
- Cataloging and Metadata Roundtable (CMR) (formerly TRGCC)
- 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