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Our Team

At the Mechanical Contractors Association of Canada, our team is dedicated to advancing the mechanical contracting industry through advocacy, education, and collaboration. We are a passionate group of professionals working behind the scenes to support our members, promote innovation, and build strong partnerships across the country. Whether we’re organizing national conferences, developing training programs, or championing industry standards, we’re here to serve and strengthen Canada’s mechanical community.

Tania Johnston Chief Executive Officer

Tania Johnston

Chief Executive Officer
Tania Johnston leads MCAC as its Chief Executive Officer, with more than 20 years of experience at the Association. Prior to becoming CEO, Tania served as the Executive Director of the Construction Education Council (CEC) and preciously served as Executive Director, Education and Special Projects for MCAC. Tania's passion for the industry continues to drive the association.

(E) tania@mcac.ca
(T) 613.232.5169

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Ken Lancastle

Chief Operating Officer
Ken Lancastle has served as MCAC’s Chief Operating Officer since March 2020, bringing over 15 years of experience in leadership, communications, and innovation. Prior to becoming COO, Ken was MCAC’s Executive Director of Communications, Industry Outreach and Innovation, and previously held senior roles in renowned non-profits across Canada. 

(E) klancastle@mcac.ca
(T) 613.232.0017

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Leah Schroder

Finance and Member Services Manager
Leah Schroder joined the Mechanical Contractors Association of Canada in April 2025. She brings 10+ years in office management, bookkeeping, and administrative operations across a variety of sectors. Leah plays a key role in supporting the association’s day-to-day operations and mission-driven work.

(E) leah@mcac.ca
(T) 613.244.4412

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Emily Seabrook

Director, Events and Partnerships
Emily Seabrook joined the Mechanical Contractors Association of Canada as Events Manager in March 2023. With over a decade of experience in event planning and stakeholder engagement across the non-profit, private, and government sectors, Emily brings a strategic and creative approach to event execution. She earned her Certified Meeting Professional (CMP) designation in 2022. 

(E) emily@mcac.ca
(T) 613.688.0728