Roderick Simpson is the inaugural Environment Commissioner of the Greater Sydney Commission. He is an architect and urban designer and has worked at all scales of the built environment, for the Commonwealth as manager of urban design at the Sydney Harbour Federation Trust and provided consultancy services to state and local governments in planning and urban design. He has been an advocate of sustainable development since first winning equal first place in the international design completion for the Olympic Village for the 2000 games, and first place in a national housing design competition on behalf of Greenpeace in the early 1990s. He was instrumental in the development of BASIX and PRECINX modelling tools that measure and estimate carbon, water and transport performance at building and urban precinct scales respectively. He is a member of various housing, transport and architectural design review panels including the Landcom Design Advisory Panel.