About Us

Green Roofs for Healthy Cities

Green Roofs for Healthy Cities (GRHC) is the North American Green Roof & Wall Association working to develop and protect the market by increasing the awareness of the economic, social and environmental benefits of green roofs, green walls, and other forms of living architecture through education, advocacy, professional development and celebrations of excellence. greenroofs.org

Green Infrastructure Foundation 

Green Infrastructure Foundation (GIF) responds to the need for greater awareness and resources to promote the design, installation, and maintenance of green infrastructure in local communities. GIF is a tax-exempt, charitable 501(c)(3). greeninfrastructurefoundation.org

Grey to Green Advisory Board

Grey to Green is organized with the assistance of the following multi-disciplinary group of green infrastructure professionals:

Kees Govers
Technical Sales Manager
LiveRoof Ontario Inc

Brad Bass
Senior Lecturer
University of Toronto

Martin Borrow
Green Roof Technical Advisor

Bill Trenouth
Program Manager

Tim Dobson
Dobson Design Decisions

Angela Murphy
Manager, Research and Partnerships
Ryerson Urban Water Center

Ryan Nees
Senior Manager, Research & Development
Toronto and Region Conservation Authority

Steven Peck
Founder & President
Green Roofs for Healthy Cities

Chrystal Henning
Events & Conferences Manager
Green Roofs for Healthy Cities


Bruce Duncan
Regional Manager
Hydrotech USA

Phil James
Water Resources Engineer
Credit Valley Conservation

Jane Welsh
Project Manager
City of Toronto

Stefan Fediuk
Landscape Architect
City of Windsor