About Us

AFFECTINGCHANGE was established in 2009 to support the belief that humanity can create a wonderful future for itself. This future starts by designing our environment to facilitate and enable a flourishing future to emerge.

Our clients include architects, designers and agencies working in the “built environment” and organizations that want a high performance facility. We created Reveal-It. Empowered Design©, an assessment tool and co-created Biologically Integrated Architecture.

We landed on the name, “AFFECTINGCHANGE,” as we are well known for our ability to help people see the opportunities for making sustainable choices on their projects.

As we help organizations create facilities conducive to mission accomplishment, we conscientiously redesign their environmental impact and reduce their emission footprint.

With projects flung across the globe, we have won more than 75 awards.

Contact us today to learn how you can create the change you want to see.

Sandra Leigh Lester


Founder and CEO


Sandra combines unique technical knowledge with the educational background to effect change management.


Bachelors of Technology in Architectural Science, Ryerson University
Masters Certificate in Organization Development from Schulich


Certificate in Change Management from Canadian Organizational Development Institute
Certified Sustainable Building Advisor (CSBA)
NCIDQ-certified registered Interior Designer (ARIDO IDC)
LEED-accredited Professional in Building Design and Construction (LEED AP BD+C)

Consultant To:
HOK Architects
Perkins+Will Architects
LAT49 Architects
Colleges Ontario
The Atmospheric Fund
Ministry of Environment and Climate Change
Ministry of Health and Long Term Care
Ministry of Infrastructure 
Humber River Hospital
Shorefast Foundation (Fogo Island Inn)
The City of Toronto
The Government of Ontario
The Government of Newfoundland and Labrador

Aided in the creation of the $500 million Low-Carbon Innovation Fund for the retrofit of College and Universities across the Province.

Teaching Experience

Visiting Professor and Adjunct at the University of Manitoba
Lead Instructor, Certified Sustainable Building Advisor Course, CanadaGreen Building Council
• Part-time Instructor, University of Technology Sydney (UTS)
• Part-time Instructor, Ryerson University

Let's Work Together

Whether you are looking to renovate your existing building or create new facilities for your growing organization, we can help create your high performance facility!

Contact Us