Our Professionals

Sustainable Practitioners Network Professionals Members need to apply and be approved by the Board to ensure they have the credentials to provide quality sustainability advice and/or services.

Apply to be a SPN Professional Member

The following people are our current SPN Professional Members

Matthew Wallwork

Building Designer, Board Member
& SPN Chair

Melinda Marshall

Town Planner, Board Member
& SPN Secretary

Click here to learn
more about Melinda

Bob Van Haagen

Developer & SPN Treasurer

Chris Ferreira

Sustainability Expert &
SPN Board Member

Arifin Iriks

Building Designer &
SPN Board Member

Click here to learn
more about Arifin

Keith Hutchings

Founder of The Comfortable Home Project & SPN Board Member

Peter Grant

Surveyor & SPN Board Member

Mariana Silva

Founder of The Impact Project
& SPN Board Member

Click here to learn
more about Mariana 
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