Jean Dumontier served as the Bureau de transport métropolitain (BTM)'s head architect during the construction of the initial network of the metro, and designed Île-Sainte-Hélène (now Jean-Drapeau) and Longueuil (now Longueuil–Université-de-Sherbrooke) stations.

No biographical information as yet. If you have some, please email me!

Works:

Works in the metro:
Four bas-reliefs	Jean-Drapeau
Two bas-reliefs	Longueuil–Université-de-Sherbrooke