Oliver is a consultant, author and speaker on tackling fraud and corruption in the humanitarian and global development sector. He has conducted counter-fraud and anti-corruption investigation and advisory work in this space worldwide.
Oliver’s book, Fighting Fraud and Corruption in the Humanitarian and Global Development Sector is out now. Terrorist Diversion: A Guide to Prevention and Detection for NGOs, is due out in 2019/2020, co-authored with Paul Curwell.
Oliver was the Head of Counter-Fraud for Oxfam GB, where he led the international humanitarian and development organisation’s efforts to reduce fraud and corruption across its 54 operating countries, 31,000 staff and volunteers, and £400m annual budget. A former officer in the UK’s Serious Organised Crime Agency (SOCA, now the National Crime Agency), he is also an accredited, warranted criminal investigator who worked on a number of high-profile and award-winning international investigations and interventions. Prior to SOCA, Oliver was an accredited crime analyst working with two UK police forces.
Oliver is an Affiliate Member of the Chartered Institute of Public Finance and Accountancy (CIPFA) and an Associate Member of the Association of Certified Fraud Examiners (ACFE). He is currently based in Sydney, Australia.