Waterloo North Hydro

Waterloo North Hydro’s vision for its 105,000 SF new facility involved an excellent corporate environment for its team and to advance the sustainable prosperity and success of its community. In 2012, when we built its new Administration and Service Centre on a previously developed site on the…

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Dora Lomax

Dora has shaped beautiful and impactful interiors, from complex healthcare projects to multi-unit residential developments. She brings a depth of understanding in how to creatively connect the science of design with our clients’ objectives, delivering interior spaces that meaningfully advance our…

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Mary Georgious

An enthusiastic leader, Mary offers extensive experience in HVAC, fire protection, plumbing and medical gas system design. As the firm’s mechanical engineering lead, Mary’s strength is in project management and problem solving, ensuring all mechanical solutions seamlessly integrate into a…

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Greg Sather

Co-founder and former Director, Greg Sather retired in 2019. Greg was responsible for design direction, sustainable design initiatives and providing technical excellence oversight for the firm’s projects. With more than 35 years of experience, his knowledge of how to craft high-performance…

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Valley Park Library

The Valley Park Recreation Centre and Library, one of the most active and growing community spaces in Hamilton, is undergoing a transformation. Once complete, it will provide nearby residents with a vibrant, sustainable and engaging community hub. In 2018, mcCallumSather began working with the City…

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North Hamilton Community Health Centre

North Hamilton Community Health Centre was located in a small, leased space. It did not meet the healthcare needs of this community. In its place, we developed a LEED Gold Certified facility, increased its footprint by 50 per cent and carefully involved all its stakeholder groups. The result is a…

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