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Meet our team

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Gastier’s success fueled by expertise

Our governance team, with in-depth knowledge of industries, markets and challenges, make wise use of our workers, technicians and engineers’ incredible talent. By combining its employees’ passionate work and the responsible management of its leadership team, Gastier has earned its position of leader in the construction industry in Quebec and its title of pioneer in the field of HSE.

Eric Delehaye


Our president

Born in 1965, Eric DELEHAYE is a graduate engineer from the École Spéciale des Travaux Publics, du Bâtiment et de l’Industrie in Paris. He began his career with the Bouygues Group in 1989, first with Dragages in Hong Kong, then with Bouygues Bâtiment Île-de-France as Production Manager for major functional building sites.

In 2003, he joined Bouygues Energies & Services as Operations Director for major electrical and thermal engineering projects. He then joined Bouygues Bâtiment International as Operations Director for airports in Chypre, and then at BYME in Hong Kong.

Since 2011, Eric has held various management positions at Bouygues Energies & Services covering a wide range of French territory and activities (Network infrastructures, Facilities Management, Rail transport).

Eric is appointed President and Chief Executive Officer of Gastier on November 1, 2022.

Operations Management

Louis Cyr

Maintenance and Major Projects Director– Industrial Sector

Daniel Rocheleau

Manufacturing Workshop Director (TuMec)

Eric Thibaudeau

MEP+ Director

Patrick Végiard

Electricity, Technology and Major Projects Director

Operations Support

Jessica Desrochers

Human Resources & Communications Director

Supply Manager

Steve Côté

Planning, Project Control and Quality Director

Stéphane Gagnon

Prevention, Health ans Safety Director

Stephan St-Onge

Finance and Administration Director

Jean Francis Joly

Strategic Business Development & Transformation Director

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