Oliver supports organisations communicate their purpose, mission, and impact – from advising on and implementing multichannel communications strategies to producing top-notch marketing content and editorial. His portfolio includes climate finance research and campaign group Asset Owners Disclosure Project (AODP) – an NGO that benchmarks institutional investors on their capabilities for managing climate-related financial risk – international development programme United Nations Capital Development Fund (UNCDF) and think tank International Institute for Sustainable Development (IISD).