Joyce uses mixed methods and participatory approaches to conduct research on the role of food literacy in well-being; food and nutrition security; and nutrition surveillance. Her research has been funded by the Heart and Stroke Foundation, Social Sciences and Humanities Research Council, Canadian Institutes of Health Research and the Canadian Home Economics Foundation. Joyce is also a Registered Dietitian who worked in various public health organizations for 18 years before obtaining her PhD and joining the University of Manitoba. Joyce is a member of the new Winnipeg Food Council, representing research.