Who We Are

Founded in 2010, we are celebrating our tenth anniversary by looking back at our achievements and looking forward to scaling our impact in the years to come. 

We bring together experts in green building design, energy and wellness under leadership by our Founder, Sandra Leigh Lester.  Based in Toronto, Canada, we are not limited by geographic distance and work on projects throughout North America and globally.

About Our Founder


Sandra Leigh Lester

Sandra loves using data for decision making. She is scientist at heart and working on sustainable buildings and interiors since the early nineties and is passionate about climate change and healthy buildings. 

Sandra has been a LEED-accredited Professional with a Specialty in Building Design and Construction (LEED AP BD+C) since 2009. She is an NCIDQ-qualified Professional Interior Designer and member of the Association of Interior Designers of Ontario (ARIDO) and Interior Designers of Canada (IDC). She is also a Certified Personal Trainer Specialist (PTS) and a Certified CHEK Health and Lifestyle Coach (HLS). She is taking it to the next level by studying to become a WELL-accredited Professional.

 Sandra is a sought-after speaker at various conferences and events and is a Jury Member for ASID’s Outcome of Design Awards.


But Enough About Us

We would love to have you as our client.
If you are an architect then you can join a roster that includes the following high-profile architectural firms: Perkins+Will; HOK Architects; LAT49 Architects; Todd Saunders Architects; and Montgomery Sisam Architects.

If you are an NGO or non-profit then you can join company with groundbreaking organizations such as: Shorefast Foundation, The Atmospheric Fund, The Salvation Army, Toronto Community Housing and Durham Condominium Corporation 120.

We also welcome work with corporations that are looking to do development as a long-term investment. Yes, they do exist, and we do have them on our roster, but let’s keep that confidential for now, shall we? 

We all know that we have to transition to a carbon-neutral economy. We all know that we have to create energy-efficient buildings. How you go about that is the key.

Don’t leave execute your project without us. We will make it exceptional.

Let's Work Together

Let’s put our experience to work for you.

Contact Us