Simon O’Brien

ESG and ESD Advisory Services

Simon works at the intersection of the built environment, carbon data, and climate reporting. With a background spanning property, sustainability strategy, and decarbonisation, Simon has spent his career helping organisations navigate the practical realities of carbon reporting, emissions reduction strategy, materials, and risk. Prior to Rebuilt, he held senior sustainability roles across major Australian property and digital businesses, where he saw firsthand how embodied carbon data breaks needs to work with enterprise reporting.

At Rebuilt, Simon focuses on helping clients create the right blend of technology and advisory to navigate a rapidly evolving climate reporting landscape