Nancy Dunton has been active in the field of management of organisations and architectural projects since 1981. She received her degree in Commerce from McGill University in 1991. With Arcop Associates, Architects, she was involved in projects such as Maison Alcan and No. 1 Wood Avenue as well as being responsible for office administration and promotion. In 1990, Nancy Dunton joined the Société de Promotion du Centre de Commerce Mondial as the coordinator responsible for design and construction of the Hotel InterContinental. From 1992 to 1997, she was executive director of Heritage Montreal, a not-for-profit organisation dedicated to the protection of Montreal's built heritage.
Nancy Dunton worked for the Canadian Centre for Architecture as Head of University and Professional Programmes until early 2005, where she was responsible for conceiving, coordinating and presenting public programs intended to nourish the debate on architecture.
Currently, she is a consultant specializing in the presentation of projects on architecture including conferences, architectural walking tours and exhibitions. In 2014, Nancy Dunton was the curator of the exhibition Imprimer la ville / Printing the City. She currently teaches Reading the City: Montreal and its neighbourhoods at the McGill School of Architecture; she has also taught at Université de Montréal and Dawson College. With Helen Malkin, she is the co-author of A Guidebook to Contemporary Architecture in Montreal, Second Edition published in 2016. Her volunteer activities include serving on the Board of Directors of Heritage Montreal, where she heads up the committee responsible for creating activities including the annual ArchitecTours program.