Co-founder (with Anna Cermáková), International Comparable Corpus. Planning Meeting & Inauguration, Prague, June 2017.

Reviewer, International Corpus of English Project, 2016–2017 (with Gerry Nelson)

Member, Programme Committee, Corpus Linguistics 2015 (University of Lancaster, July 2015)

Member, Advisory Board, ICLCE5 (Austin, TX, September 2013)

Member, Programme Committee, Corpus Linguistics 2013 (University of Lancaster, July 2013)

Member, Academic Committee, Second Interdisciplinary Linguistics Conference (Queen’s University Belfast, November 2012)

Member, Advisory Board, International Computer Archive of Modern & Medieval English (ICAME) (2012–20)

Member, Academic Committee, First Interdisciplinary Linguistics Conference (Queen’s University Belfast, October 2011)

Member, Advisory Board, ICLCE4 Conference (Osnabrück, July 2011)

Member, Editorial Board, Tradition Today [The Centre for English Traditional Heritage]

Member, Editorial Board, Dialectologia et Geolinguistica [Mouton de Gruyter, Berlin]

Member, Editorial Board, Publications of the Forum for Research on the Languages of Scotland and Ulster [online publication at www.abdn.ac.uk/pfrlsu]

Member (as Queen’s Representative), Steering Group, Irish-Scottish Academic Initiative

General Editor, Belfast Studies in Language, Culture and Politics

Member, Editorial Board, Corpora [Edinburgh University Press]

Member, Editorial Board, ICES - International Corpus of English Studies [Technische Universität Chemnitz Universitätsverlag]

Member, Advisory Committee, Scottish Language Dictionaries

Member, Advisory Board, Engineering and Physical Sciences Research Council-funded Project, Scottish Corpus of Texts and Speech (SCOTS) Project, University of Glasgow

Member, Cross-Party Group on the Scots Language, The Scottish Parliament (for which, in March 2004, and with advice from the group and others, I wrote the submission to the BBC Charter Review Consultation on ‘The BBC and Scots’)

Member, Advisory Steering Group, Engineering and Physical Sciences Research Council project, British Isles Minority Languages Engineering Review, University of Lancaster

Member, Management Board, Institute of Ulster-Scots Studies, Magee College, University of Ulster

Member, Advisory Board, Verbal Arts Centre, Londonderry

Committee Member (1999–2010) and Treasurer (2004–2010), Forum for Research on the Languages of Scotland and Ulster

Member, Management Board of the Institute of Ulster-Scots Studies, Magee College, University of Ulster (2001– )

Member, Cultural Diversity Advisory Group (formerly Cultural Traditions Group, later Cultural Diversity Group), Northern Ireland Community Relations Council (including subcommittees on Fellowships and Resources, and on Publications and Media) (1996–2006)

Member, Advisory Board, Internet Grammar Project, Survey of English University College London (1996–2001)

National Representative for Language and Linguistics, Advisory Committee of the CTI Centre for Textual Studies, University of Oxford (1995–2001)

Member, Speech and Language Technology Club, Department of Trade and Industry (1993–95)

Member, Editorial Board, Lore and Language (1992–2004) [Sheffield Academic Press]

Member of Advisory Board and Editorial Committee, Ulster Dialect Dictionary Project (1989–1996)

Member, Specialist Group for English Texts, Association for Literary and Linguistic Computing (1984–87)

Council Member, Association for Scottish Literary Studies (1974–75); Life Member (1974–)