Greg is the founder and managing director of Rype Office, a circular economy office furniture business and director of Nezo Interiors, a Net Zero Carbon office interior design studio.

An engineer by training, Greg was awarded a PhD in sustainable building design in the 1990s. He built from startup what became Australia’s largest solar business, Origin Solar, and as a strategy consultant with Bain and Booz Allen Hamilton assisted organisations to create innovative sustainable business models, including Masdar City, Interface, Shell and ClimateWorks Australia.

Greg is the General Secretary of the Office Furniture Remanufacturing Association and a regular speaker on the Circular Economy at Judge Business School, The Cambridge Institute for Sustainability Leadership and Imperial College London.