Stephan Langevin worked as a senior architect designer for various agencies before joining STGM in 2001. Over the years, his conceptual work has earned him several awards and distinctions. He has been leading the creative team for almost 20 years, being involved in all of the firm's mandates. 

His spirit of synthesis and creativity have contributed to the development of innovative solutions in design and sustainable development. His expertise and communication skills have earned him frequent invitations to speak at conferences, be part of a jury and participate in various working groups in Quebec and around the world. 

Passionate about architecture and creativity in general, Stéphan practices his profession with pleasure and collaboration. He believes that STGM is first and foremost the strength of a united team, whose multidisciplinarity contributes to the quality and uniqueness of each project.