- SSHRCC Jury Member, History, 2007
- Member, OCGS Jury, Interdisciplinary Studies, 2006-2009
- Advisor to London Health Science Centre, Long-term Health Study of the Walkerton Water Contamination, 2004-present
-Mentor, Health Care, Technology and Place, a CIHR funded training program based at University of Toronto, 2004-present
-Co-Chair, ENVIROTECH, a special interest group of the American Society for Environmental History and the Society for the History of Technology, 2004-07
-Advisory editor, Society for the History of Technology, Technology and Culture 2001- 2006
-Contributing Editor, Technology and Culture 2006-present
-Member, Editorial Board, Labor: Studies in Working- Class History of the Americas 2004-2006
-Member, Editorial Collective, Gender and History 1992-99, manuscript coordinator 1997-99, advisory board 1989-92, 1999-present
-Member-College of Reviewers, Canada Research Chairs, 2003-present
-SSHRCC jury member, ‘Health Studies, Social Work and Women’s Studies’, 2002 - 04
-Member, Innis-Gerin Medal Committee,Royal Society of Canada, 1999-2002, Chair 2000-02
-Member, Selection Committee, Canada Council-Killam Trust,Senior Killam Fellowships 1999-2001
-Chair, Social Science sub-committee Canada Council-Killam Trust, Senior Killam Fellowships, 2000-2001
-Member, Abbott Payson Usher Prize Committee, Society for the History of Technology,2000-2003, Chair 2001
-Member, Leonardo da Vinci Prize Committee, Society for the History of Technology, 2001
-Member, Visiting Scholars Committee, Green College, University of British Columbia, 2001-03
-Participant, Royal Society of Canada, Academy II, Inquiry into Discrimination Investigations 1995-1996
-Co-Chair, Management Board, Aid to Scholarly Publications Committee, Humanities and Social Sciences Federation of Canada, 1997-99 ; Member of Adjudication Committee 1993-99
-Member, Nominating Committee, Canadian Historical Association 1993-95
-External reviewer of graduate programmes in history, Ontario Council for Graduate Studies 1993-94
-Chair, Hilda Neatby Prize Committee, Canadian Historical Association 1989-90
-Member, Berkshire Conference book prize committee, 1990
-Member, Programme Committee, Canadian Historical Association meetings, Laval University, June 1989; chair, Daily Life and the Life cycle theme
-Chair, Ontario Confederation of University Faculty Associations, Status of Women Committee, 1988-89; Member, 1987-88
-Member, Advisory Board, Atlantis, a woman's studies journal, 1977-1994
-Member, Editorial Board, Historical Studies in Education/Revue d'histoire de l'education 1989-1995
-Queen's Representative, Status of Women Committee, Canadian Association of University Teachers 1985-1992
-Member, History Jury, Research Grants, Social Sciences and Humanities Research Council 1987, 1986, 1985
-Juror, Sir John A Macdonald Prize, 1987, 1986, 1985
-Editor, Canadian, Histoire sociale/Social History 1985, 1984
-Juror, Hilda Neatby Prize 1988, 1984, 1983
-Member, Programme Committee, Canadian Historical Association Annual Meeting, special theme, History of the Family, Vancouver 1983
-Member, Editorial board, Histoire sociale/Social History 1981-1986
-Member, Editorial Board, Queen's Quarterly 1979-89
-Member of Council, Canadian Historical Association with responsibility for programme committee and chair, ad hoc committee on continuing association with the Learned Societies, 1979-1981
-National Coordinator, Canadian Committee on Women's History,1976-78
-Referee of scripts in environmental history, history of technology, economic history, cultural criticism, gender studies, demography,history of childhood, women's history, reform for SSFC/SSHRCC, McGill-Queen's University Press, Harcourt Brace Jovanovich, Clark Irwin, University of Ottawa Press, University of Toronto Press, Manitoba Record Society, Manchester University Press, Berg, Technology and Culture , Journal of Historical Geography, Labour/Le Travail, Acadiensis, Canadian Ethnic Studies, Canadian Historical Review, B.C. Studies, Ontario History, Canadian Review of Sociology and Anthropology, Journal of Canadian Studies, Signs
-Referee of promotion and tenure files, 7 Ontario universities, 1 Quebec, 1 British Columbia, 1 New York, 1 Georgia, 2 Massachusetts