Oliver is the Director –General of the Financial Intelligence Unit (FIU) of Zimbabwe, a position he has held since February 2020, initially in an acting capacity and substantively since November 2020.

Oliver holds a Bachelor of Laws (Honours) degree from the University of Zimbabwe. He is a Certified Anti Money Laundering Specialist (CAMS), accredited with the Association of Certified Anti Money Laundering Specialists (ACAMS). He is accredited with the United Nations Office on Drugs and Crime (UNODC) as a governmental expert on anti-corruption.

Oliver has held previous positions as a magistrate (1993 – 2004) and as a lecturer with the Judicial College of Zimbabwe and the Zimbabwe Republic Police Staff College (2000 – 2004).  He also served as Legal Counsel in the Reserve Bank of Zimbabwe (2006 – 2011.  He has presented papers on the subject of Anti Money Laundering and Counter Financing of Terrorism, at local and regional fora.