Contributors to our blog:


Ethan Griesbach is an environmental professional with the Toronto and Region  Conservation Authority, who is passionate about sustainable site development, ecosystem service valuation and natural resource conservation. Follow Ethan on Twitter at @ecgistheone or contact him directly at

charles head shot narrow

Charles Marshall is a Sustainability Consultant at DIALOG. He advocates development that is conscious of climate change, ecosystems and energy economics. Follow Charles on Twitter at @jcharlesmarsh

Audrey O’Handley is a Director for the Whitchurch Stouffville Community Energy Co-operative and also works as a Print Manager at Telus Mobility, where she advocates for environmentally friendly processes and workflows. In addition to a 10kWh MicroFIT project on her barn, it is also being renovated to a Living Building model to help illustrate the technologies used and create confidence for new builders through a hands on approach

Mariko Uda is a Ph.D. student in Civil Engineering at the University of Toronto.  Her research is on how to design sustainable neighbourhoods that are also resilient to climate change impacts such as extreme precipitation and heat.  She is also passionate about environmental education.


Amanda Yip is a green building specialist and the Innovation Park Coordinator for BRE Innovation Park at the Living City Campus, a project of the Toronto and Region  Conservation Authority. She is passionate about  sustainability and responsible resource use within the built environment. Follow Amanda on Twitter at @amandajyip.

Mark Bessoudo

Mark Bessoudo is both a green building consultant with Halsall Associates and a sustainability consultant with Loop Initiatives (Halsall’s sister company). Mark is passionate about the science and philosophy of sustainability and how it can be used to create better buildings and communities. Follow Mark on Twitter at @markbessoudo







Devon Miller is a Sustainable Building Advisor with Perkins+Will. With a background in planning and urban design, Devon is keenly interested in regenerative design and the pursuit of sustainability at all scales; building, neighbourhood, city, and region. Follow Devon on Twitter @DevonMiller_PW





One thought on “Contributors

  1. Pingback: The Red List | Living Building Challenge TO

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