Honor Society. (Present).
Association for Documentary Editing. (2019 – Present).
American Alliance of Museums. (February 2016 – Present).
Past-President, Texas Association of Museums. (2005 – Present).
Society of Southwest Archivists. (2004 – Present).
American Library Association. (2002 – Present).
Various positions, Texas Library Association. (2002 – Present).
Tall Texans, Texas Library Association. (2014 – Present).
Emerging Leaders, American Library Association. (2007 – 2007).
Belden, D. L. (Presenter), Educational Service Center 17 Educators Workshop, The Portal to Texas History, Educational Service Center 17, Lubbock, TX, United States of America. (2022 – 2022).
Belden, D. L. (Presenter), Educational Service Center 17 Educators Workshop, Texas History for Teachers, Educational Service Center 17 Educators Workshop, Lubbock, TX, United States of America. (2022 – 2022).
Belden, D. L. (Presenter), Cross Timbers Library Consortium Annual Meeting, Accessibility for All: Open Educational Resources for History, Cross Timbers Library Consortium, Online, United States of America. (2022 – 2022).
Belden, D. L. (Presenter), Conservation Saavy, Adventures in Digital Preservation (and how not to lose your way), McFaddin Ward House, Beaumont, Texas, United States of America. (2013).
Belden, D. L. (Presenter), Ferguson, C. (Presenter), Texas Association of Museums Annual Conference, Interpreting LGBT History in Two Texas Communities, Texas Association of Museums, Corpus Christi, Texas, United States of America. (2016 – 2016).
Belden, D. L. (Presenter), Texas Czech Genealogical Association Annual Meeting, Genealogy Research in The Portal to Texas History, Texas Czech Genealogical Association, Caldwell, Texas, United States of America. (2013).
Belden, D. L. (Presenter), TxSGS Family History Conference, The Portal to Texas History for Genealogists, Texas State Genealogical Society, Fort Worth, Texas, United States of America. (2012).
Belden, D. L. (Presenter), American Library Association Annual Conference, From Projects to Production: Scaling it Up, American Library Association, New Orleans, Louisiana, United States of America. (2011).
Belden, D. L. (Presenter), Society of Southwest Archivists Annual Meeting, Grant Funding for Library, Archives and Museum Projects, Little Rock, Arkansas, United States of America. (2011).
Belden, D. L. (Presenter), American Library Association Mid-winter meeting, Fundraising and Collaboration with the Portal to Texas, American Library Association, Boston, Massachusetts, United States of America. (2010).
Belden, D. L. (Presenter), American Library Association Annual Meeting, Breaking Down the Costs - What are your Digitization Projects Really Costing?, American Library Association, Chicago, Illinois, United States of America. (2009).
Belden, D. L. (Presenter), Society of Southwest Archivists Annual Meeting, Minimal Processing for Paper and Pixels, Society of Southwest Archivists, Shreveport, Louisiana, United States of America. (2009).
Belden, D. L. (Presenter), The Society of American Archivists Annual Meeting, A Cost-Benefit Approach for Describing and Processing Digital Objects, The Society of American Archivists, San Francisco, California, United States of America. (2008).
Belden, D. L. (Moderator), Garcia, G. (Panelist), Bangor, A. (Panelist), Aranda-Narano, B. (Panelist), Salcido, R. (Panelist), Texas Library Association Annual Conference, Engaging Diverse Users: Insights from the Experts, Texas Library Association, San Antonio, Texas, United States of America. (2017 – 2017).
Belden, D. L. (Moderator), Fong, B. (Presenter), Texas Library Association Annual Conference, Transforming Your Gen X-ers into Gen Donors, Texas Library Association, San Antonio, Texas, United States of America. (2017 – 2017).
Belden, D. L. (Presenter), Murray, K. (Presenter), TxSGS Family History Conference, Rediscover the Portal to Texas History, Texas State Genealogical Association, Dallas, Texas, United States of America. (2016).
Belden, D. L. (Presenter), Texas Library Association Annual Conference, Successful Signature Events at Your Library, Texas Library Association, Houston, Texas, United States of America. (2016 – 2016).
Belden, D. L. (Presenter), Texas Association of Museums Annual Meeting, Digital Long-Term Access of Collections: Theory and Practice, Texas Association of Museums, Fort Worth, Texas, United States of America. (2015 – 2015).
Belden, D. L. (Presenter), Lobley, N. (Presenter), Ghartey-Tagoe Kootin, A. Y. (Presenter), Briggs, A. (Presenter), Chernyavaska, M. (Presenter), Cultural Heritage Archives Symposium: Networks, Innovation & Collaboration, Where do Users Find Value?, Library of Congress, Washington DC, United States of America. (2013).
Belden, D. L. (Panelist), Tarver, H. M. (Panelist), ALA Annual Conference, Metadata Tools and Workflows at the University of North Texas, American Library Association/LITA, Washington D.C., United States of America. (2010).
Belden, D. L. (Moderator), Society of Southwest Archivists Annual Meeting, Extra, Extra! Historic Newspapers Online at Chronicling America, Society of Southwest Archivists, Sante Fe, New Mexico, United States of America. (2010).
Belden, D. L. (Panelist), Texas Library Association Annual Meeting, The Texas Heritage Digitization Initiative, Texas Library Association, Austin, TX, United States of America. (2005 – 2005).
Belden, D. L. (Author & Presenter), Murray, K. (Author), Archiving 2012, Measuring the Impact of Preserving Digital Assets, IS&T Archiving Society for Imaging Science and Technology, Copenhagen, Denmark, Denmark. (2012).
Belden, D. L. (Presenter), Texas Historical Commission Webinar, Sealing the Deal: Making a Compelling Case for Funding with Private Foundations, Texas Historical Commission, online, United States of America. (2020 – 2020).
Institute for the Editing of Historical Documents, Association for Documentary Editing. (2019 – Present).
Committee Member, Texas State Library and Archives Commission, TexShare Taskforce for K-12 Public Schools, Austin, TX. (August 2013 – Present).
Officer, President/Elect/Past, Texas Association of Museums, Texas. (2015 – 2019).
Board of Directors, Texas Association of Museums, Fort Worth, Texas. (2011 – 2019).
Officer, Vice President, Texas Association of Museums, Texas. (2013 – 2015).
Chairperson, Texas State Library and Archives Commission's Advisory Board for IMLS grant, "Train to Share", Austin, Texas. (September 2008 – August 2011).
Reviewer, Grant Proposal, National Historical Publications and Records Commission, Washington DC. (February 2009 – May 2009).
Reviewer, Grant Proposal, Texas Education Agency, Austin, Texas. (April 2007 – May 2007).