Sydney's most powerful shape the identity and future of Australia's largest city. They wield their influence over its culture, environment and economy, its planning, architecture, development, transport and infrastructure. They play a role in the safety, happiness and wellbeing of Sydney's residents. In some cases, these individuals are the public 'face' of the city, but not always: often, Sydney's most powerful act quietly behind the scenes – for reasons of both public good and personal gain.