Co-Chair, ASIST SIG/CR 2011 Workshop, 2010-2011

Reviews Editor, Knowledge Organization, 2008-Present

Editorial Board Member, Library Quarterly, January 2011-Present

Editorial Board Member, Journal of Library Metadata, May 2007-Present

Classification and Knowledge Organization Subject Editor, DLIST, 2006-Present

Editorial Board Member, Knowledge Organization, 2006-Present

Chair, Programme Committee, Culture and Identity in Knowledge Organization, the Tenth Conference of the International Society for Knowledge Organization, 2006-2008

Co-Chair, ASIST SIG/CR 2006 Workshop, 2005-2006

Reviewer for the Journal of Library Metadata, August 2009-Present

Institute for Museum and Library Services, Leadership Grants, Research & Demonstration: Tools and Technology panel, May 2009

Member, Program Committee, North American Symposium on Knowledge Organization, April 2009

Member, Program Committee, 2009 Annual Meeting of the American Society for Information Science and Technology, Winter 2009 

National Science Foundation, CISE Directorate, IIS Division solicitation, NSF 07-577, Cluster III, April 2008

Reviewer for Canadian Journal of Information and Library Science, 2006-Present

Member, Programme Committee, Networked Knowledge Organization Systems and Services, The 7th European Networked Knowledge Organization Systems (NKOS) Workshop, 11th ECDL Conference, July 2008

Reviewer, Advances in Information Management Systems – E-Government, February-October 2008

Member, Program Committee, 2008 Annual Meeting of the American Society for Information Science and Technology, Winter 2008

Member, Program Committee, 2008 Dublin Core Conference, February 2008

Reviewer for the Journal of the American Society for Information Science and Technology, December 2007-Present

Secondary reviewer for the journal BMC Biomedical Informatics, December 2007

Reviewer, iConference 2008: iFutures: Systems, Society, and Selves, December 2007

Reviewer for the Annual Review of Information Science and Technology (ARIST), November 2007

Member, Program Committee, Networked Knowledge Organization Systems and Services, The 6th European Networked Knowledge Organization Systems (NKOS) Workshop, 11th ECDL Conference, July 2007

Member, Program Committee, 2007 Dublin Core Conference: International Conference on Dublin Core and Metadata Applications, May-August, 2007

Reviewer for the journal Transactions on Information Systems (TOIS), April-May 2007

Member, Program Committee, North American Symposium on Knowledge Organization, January-May 2007

Reviewer for the journal Library and Information Science Research, December 2006-January 2007

Reviewer, Information Architecture Summit 2007, November-December 2006

Reviewer, City University of New York Grant Research Award Program, 2006

Reviewer, CIKM (Conference on Information and Knowledge Management), March-July 2006

Member, Program Committee, 2006 Dublin Core Conference: Metadata for Knowledge and Learning, 2006

Reviewer for the journal New Review of Hypermedia and Multimedia, 2006

Reviewer for the journal Knowledge Organization, 2005- Present

Reviewer, 39th Hawaii International Conference on Systems Sciences, Summer 2005

Reviewer, International Journal on Electronic Government Research, 2005

Member, Program Committee, 2005 Dublin Core Conference: Vocabularies in Practice, 2005

Secondary reviewer, Joint Conference On Digital Libraries 2005

Reviewer, American Society for Information Science and Technology Annual Meeting 2005, Winter 2005

Reviewer, 38th Hawaii International Conference on Systems Sciences, Summer 2004

Member, Program Committee, 2004 Dublin Core Conference: International Conference on Dublin Core and Metadata Applications, 2004

Reviewer, 37th Hawaii International Conference on Systems Sciences, Summer 2003

Member, Program Committee, 2003 Dublin Core Conference: Supporting Discourse and Practice: Metadata and Applications 2002-2003

São Paulo State Research Foundation Visiting Scholar, invited to Universidade Estadual Paulista, São Paulo for a week of research collaboration and lectures.  Awarded BR 1,500 for the trip  (2009). 

Headley House Distinguished Visitor-in-Residence, invited to Carleton College for a week of talks, panels, class visits to discuss Knowledge Organization as a field of research, scholarship, and learning and how it relates to Liberal Arts education  (2008).

Peter Wall Institute for Advanced Studies Infrastructure Award, one of ten Junior Early Career Scholars selected as part of the 2007-2008 cohort.  Awarded $5,500.00 CAD in 2007, declined in order to move to the University of Washington, and was subsequently made Honorary Early Career Scholar  (2007-2008).

ALISE Doctoral Student SIG Research Poster Session Award Winner, third place out of fifty-two entries (2004)

Beta Phi Mu, Honor Society for Library and Information Science  (2000)

Estelle Ray Reid Scholarship in Library Science from Lawrence University, established from her estate in 1981 and awarded to a graduate student excelling in the study of Library Science (1998)

John H. Scidmore Memorial Award, established by the Class of 1958 of Lawrence University, is awarded to the senior man who, in the eyes of his classmates, best exemplifies the following characteristics: academic diligence, service to groups with which he has been associated, and genuine interest in and loyalty to classmates  (1998)

Alexander Wiley Prize, for demonstrating a principled independence of thought, moral courage, and creative commitment to a significant cause, specifically for leadership of Bisexual Gay Lesbian And Straight Society and commitment to the establishment of a Lawrence University campus resource room  (1997)