 He believed that unless architectural schools learned to teach students how to design for increased building performance and to deal with society on realistic economic terms, society would simply deal architects out of the game.Between 1989, and 1997 Sauer returned to professional design practice in Montreal, Quebec, Canada, as Director of Urban Design at Daniel Arbour and Associates, an urban planning office.There, he did 50 urban design master plans that included large-scale residential on green-field sites, structure plans for the redevelopment of brown-field sites, high-density mixed-use urban infill, and a master plan for structuring public and private sectors for a new town.