American Library Association

Member, 1984 - present
Member, Editorial Board of RQ (Reference Quarterly), 1993-1997
Reviewer, and Member of Editorial Board, Reference Books Bulletin, 1996-1998

American Library Association, Reference & User Services Association, Business Reference and Services Section (RUSA BRASS)
Member, Business Reference and Services Section (BRASS) Committee on Reference Services to Academic Libraries 1997-1999
Member, BRASS liaison to Reference and Users Services Association (RUSA) Membership Committee, 1999-2000
Member, BRASS Ad Hoc Committee on Guidelines for Distance Education, 1998-2000

American Library Association, Reference & User Services Association, 'Machine Readable' Reference Services (RUSA MARS)

• Co-Chair, Reference & User Services Association Machine-Assisted Reference Section (RUSA/MARS) User Access to Services Committee, 2003-2006
• Member, Reference & User Services Association Machine-Assisted Reference Section (RUSA/MARS) 2008 President's Program Committee, 2007-2008
• Liaison, Reference & User Services Association Machine-Assisted Reference Section (RUSA/MARS) to RUSA Board, 2008-2009

ACRL Science & Technology Section (American Library Association)

• Member, Subject & Bibliographic Access Committee, Association of College & Research Libraries (ACRL) Science & Technology Section, 2002-2006
• Co-Chair, General Discussion Group, Association of College & Research Libraries (ACRL) Science & Technology Section, 2000-2002
• Co-Chair, Subject & Bibliographic Access Committee, Association of College & Research Libraries (ACRL) Science & Technology Section, 2004-2006
• Member, Research Committee, Association of College & Research Libraries (ACRL) Science & Technology Section, American Library Association, 2006-2008
• Co-Chair, Association of College & Research Libraries (ACRL) Science & Technology Section, Program Planning Committee for 2009, serving 2008-2009.

North Carolina Libraries Association    

• Member, 1988 - present
• Chair, NCLA Reference and Adult Services Section (RASS), 1993-1995 and ex-officio, 1995-1997
• Vice Chair/Chair Elect, NCLA Documents Section, 2002-2003
• Chair, NCLA Documents Section, 2003-2004
• Director-at-Large, NCLA Roundtable on Special Collections, 2003-2005
• Director-at-Large, NCLA Executive Board, 2005-2009
• Member, NCLA Endowment Committee, 2005 --
• Chair, NCLA Endowment Committee, 2007 --

International Association of Aquatic and Marine Science Libraries & Information Centers (IAMSLIC)    

Member, 2000 - present

American Society for Engineering Education

Member, 2003 - present