Harold Orr

Harold is world-renowned environmental engineer and early innovator of the global green building movement. He was a principal designer of the Saskatchewan Conservation House which is credited as being the catalyst behind the Canadian R-2000 program as well as the international PassivHaus movement. Read his full biography here.


Dr. Avi Friedman, Ph.D., Professor of Architecture 

Dr. Friedman received his Bachelor’s degree in Architecture and Town Planning from the Israel Institute of Technology, his Master’s Degree from McGill University, and his Doctorate from the University of Montréal.  In 1988, he founded the Affordable Homes Program at the McGill School of Architecture where he teaches. He is also an Honorary Professor in Lancaster University in the U.K. He is known for his housing innovation and in particular for the Grow Home and Next Home designs. He is the author of ten books and was selected by Wallpaper magazine as 1 of 10 people from around the world “most likely to change the way we live.” Read his full biography here.



Julie Carter, B. Arch. (Hons.). B.C.L., LL.B

Julie has bachelor degrees in Design Studies and Architecture (Hons.) from the University of Queensland (Australia), where she studied Environmental Technology under Dr. Steven V. Szokolay (architect, energy and environmental consultant and textbook author). She hopes to make use of her eclectic experience (in architecture, law, international sport and translation) to contribute to sustainable living and practices.



Justin Fortin

Justin graduated from Carleton University with an Honours Degree in Political Science. His primary focus is environmental policy and sustainable development. He has worked with the city of Espoo’s environmental centre in Finland developing ways to get citizens more engaged in climate change mitigation. Justin can be reached at



John Zeitoun, Master Cabinetmaker

John is a master cabinetmaker based in Wakefield, Quebec, with 23 years of experience in both commercial and residential millwork. In addition to cabinetmaking, John is also a boat builder specializing in traditional handmade birch bark canoes.




Christopher A. Higgins, LEED AP Homes

Chris works with the Canada Green Building Council (CaGBC) as the LEED Canada for Homes Program Leader and collaborates with the LEED Canada for Homes Technical Committee to deliver the LEED Canada for Homes program. Chris has a keen interest in how the built environment affects the natural environment and enjoys exploring this through his work. Prior to working with the CaGBC Chris worked with Mountain Equipment Co-op (MEC) to plan and construct green stores.


Dr. Alf Warnock  

 Dr. Alf Warnock holds a B.Sc. in Natural Philosophy (Physics) from the University of Glasgow (1963) and a Ph.D in Plasma Physics from the University of Strathclyde (1967). He is a retired Principal Research Officer from the Indoor Environment Program at the Institute for Research in Construction (IRC) of the National Research Council Canada (NRCC).