Established in 2010, we help nonprofits, NGO’s and corporations discover ways to use design to create more energy-efficient healthy and resilient buildings. We work alongside architects and their design team acting as an impartial advisor. 

We are experts in passive design that will reduce your heating and cooling loads and save your capital costs. Our initiatives for corporate clients have a payback of nine years or less.

Indoor environmental quality and design for wellbeing are other area of expertise. Use our strategies to create a workspaces that will attract talent and make them more productive.

We have been enabling companies like yours to create award-winning facilities. Hire us and discover the affectingchange difference. We have a network of experts that can help you and we look forward to working with you.


Sandra Leigh Lester

Founder & CEO

Hi, I’m Sandra. I’m a sustainable design guru that has created many game-changing projects that have set precedents and have won, in total, over seventy-five awards.

When I was eleven, my life suddenly changed after an F4 tornado struck my town and my family went to help in the middle of that war zone. I have been emotionally connected to weather disasters ever since and it explains why I am so passionate about mitigating the effects of climate change.

My architectural design thesis at Ryerson University was, “Exogenesis: a manned mission to Mars” and that was back in 1994… I am a futurist but I have since decided that we should focus on fixing things here on Earth. As an optimist, I believe that we can enable our society to lessen the impacts of climate change by significantly changing how we manage our built environment. 

Decades of design experience, my qualifications as a registered Designer for interior spaces and small buildings (ARIDO IDC) and a Masters Certificate in Organization Development (MCOD) enable me to help my clients to use design as a tool to reach their high-performance potential. 

I am also LEED-Accredited Professional with a Specialty in Building Design + Construction (LEED AP BD+C) and I taught the LEED-accreditation prep course for HOK Architects. But there is more to sustainability than LEED, so I became a Certified Sustainable Building Advisor (CSBA) and taught the Certified Sustainable Building Advisor course for the Canada Green Building Council.

In my spare time I advocate for climate change solutions. I was a volunteer Community Engagement Leader for Project Neutral. I have been trained by Al Gore as a Climate Reality Leader and I am available for speaking engagements upon request.

Our CEO, Sandra Leigh Lester, has worked with, been seen on, or has spoken at the following conferences: