With over thirty years’ experience, Quadrant Engineering has built a reputation as a reliable mechanical and electrical engineering (M&E) firm specializing in residential, commercial, government and institutional building systems in Ontario and Quebec. Our specialists work as trusted partners with architects, developers – large and small, property managers and contractors to define their needs, design options and deliver efficient, sustainable and innovative solutions within budget while providing value at all stages of the project. By delivering on our promise of excellence, we honour the vision set by our late founder, Mr Gonzalo Manrique, who acquired Quadrant in 2016.

Luc van der Leeden, P.Eng.


B. Sc. Civil Engineering (2003)
Master’s Degree in Business Administration (MBA) (2011)
PMP (2015)

Luc joined the firm in 2018.

Maria Victoria Lucca


B. Sc. Mechanical Engineering (1981)
Master of Finance (1992)
Uptime Institute ATD (Accredited Tier Designer) (2011)

Maria joined the firm in 2016.

Gabriela van der Leeden


B. Sc. Industrial Engineering (2007)
Uptime Institute ATS (Accredited Tier Specialist) (2011)
PMP (2012)

Gabriela joined the firm in 2016.

Sarith Lopez

Project Manager

B. Eng. Electrical Engineering (2011)
PMP (2019)

Sarith joined the firm in 2017.

Charles W. J. Clark, P.Eng.

Senior Mechanical Engineer

B. Eng. Mechanical Engineering (1991)

Charles joined the firm in 1994.

Miguel Casanova

Senior Electrical Engineering Manager

Senior Electrical Engineering Manager
B. Eng. Electrical Engineering (2008)

Miguel joined the firm in 2020.

Bruce Lunau

Senior Electrical Designer

Building Services Technician (1973)

Bruce joined the firm in 1993.

Tim Mills

Senior BIM/CAD Technologies

Civil Engineering Technology (1987)

Tim joined the firm in 2021.

Rene Langill

Senior CAD Technologist

Architectural Technology (1973)

Rene joined the firm in 1992.

Gianluca Pica

BIM/CAD Technologist

Architectural Technology (2021)

Gianluca Joined the firm in 2021.