[3] He was entrusted with the design of stations that would serve Expo 67, Île-Sainte-Hélène and Longueuil (today Jean-Drapeau and Longueuil-Université-de-Sherbrooke).

[4] He also created the murals of the Jean-Drapeau station, representing the Titan Atlas and recalling the theme of Expo 67, "Man and His World" (Terre des Hommes).

[6] In the 1970s, he was appointed Superintendent of the Architecture Division at the Metropolitan Transportation Bureau (BTM),[7] then became its director, overseeing the extension of the network in the 1970s and 1980s.

[8] Throughout his career, he promoted the integration of works of art into the architecture of all stations, which makes the Montreal metro unique in the world.

[8][9] Several noted artists, such as Jean-Paul Mousseau, Michel de Broin, Marcelle Ferron, Charles Daudelin and Frédéric Bach, are represented by significant works in the Montreal underground.