Nathalie Bier is an occupational therapist, full professor at the School of Rehabilitation of the Université de Montréal, researcher and associate director of innovation and research development at the Research Centre of the Institut universitaire de gériatrie de Montréal (CIUSSS Centre-sud-de-l'île-de-Montréal). The main objective of her research work is to promote home care for elderly people with cognitive problems, such as those encountered in Alzheimer's disease. His research program aims to develop interventions based on new technologies and community mobilization. Its work is carried out through collaborative research approaches, such as action research and living laboratories.