Industry Partners

Thomas Mueller

President and CEO, Canada Green Building Council (CAGBC)


Thomas Mueller is the Founding Director, President, and CEO of the Canada Green Building Council (CAGBC), where he oversees the Council’s national green building strategy, market development, and policy initiatives. His primary focus is on implementing market-based solutions to scale up investment in green building across all industry segments, with a recent emphasis on advancing climate action and transitioning the building sector to low carbon performance. With his direct involvement in climate change and sustainability solutions, Thomas works closely with senior government officials and industry leaders, driving impactful change within the industry.
As a well-known advocate for green building design and construction, building retrofit, and sustainable real estate development, Thomas has received numerous awards and recognitions for his work in the field. His pivotal role in the development of the industry’s inaugural zero carbon standards in 2017 provided the guidance necessary for decarbonization efforts in the building sector.

Thomas is a nationally and internationally recognized authority and speaker on green building, having served as a board member for the World Green Building Council and the Green Business Certification Institute. He also served as CEO of the Green Business Certification Inc. Canada (GBCI CA), delivering advanced building performance standards to the industry. Currently, he actively supports the transition towards green, zero-carbon, and resilient buildings and cities through his involvement in the WorldGBC’s global CEO network and the Building Energy Innovators Council (BEIC).

Certifications & Credentials:

  • Undergraduate Degree in Geography, Planning, and Applied Ecology from the Ludwig-Maximilian University
  • Master’s Degree in Regional Planning and Resource Development from the University of Waterloo
  • ESG Global Competent Boards Designation

Tony Irwin

President & CEO federation of Rental-housing Providers of Ontario