A graduate from Université Laval's School of Architecture, Anne Vallières has been a member of the Ordre des architectes du Québec since 1994. Between 1993 and 1995, she worked at the firm of architect Andrea Bruno in Turin, Italy, on projects involving the transformation of heritage buildings, such as the Musée des arts et métiers in Paris, the Musée d'art contemporain de Rivoli and the Centre Universitaire Vauban in Nîmes. 

In 1996, she founded her firm and worked with Gianpiero Moretti on various residential and institutional projects, until she joined STGM in 2016. 

As a lecturer, she has been teaching at Université Laval’s School of Architecture since 1998. Her work focuses on built heritage, housing, urban design and the issues of architectural and urban requalification.