Oliver has helped organisations worldwide to prevent, detect and respond to fraud, corruption, and misconduct. He specialises in integrity risk advisory services, anti-bribery and corruption, and the global non-profit sector.
Oliver was formerly the in-house head of anti-fraud and corruption for a large international aid agency, and a warranted criminal investigator with the UK’s Serious Organised Crime Agency (SOCA, now the National Crime Agency). He’s published a book, Fighting Fraud and Corruption in the Humanitarian and Global Development Sector (Routledge, 2016), and is working on a follow-up book on terrorist financing in international aid.