Oliver joined Invesco in July 2014 as an analyst in the Henley-based European Equities team, becoming fund manager in December 2015. He joined John Surplice as Co-Head of the European Equities team in March 2023. ​

His career started in September 2000 with ING Barings, initially within their graduate programme, before becoming a member of their Institutional Equity Sales team, specialising in Pan European mid-cap equities. In January 2006 he joined Berenberg Bank where he specialised in French mid-cap institutional equity sales. In November 2010 he joined Exane BNP Paribas where he latterly led their Pan European Mid Cap Sales team after becoming a Partner in the firm in November 2011.​

Oliver holds a BSc (Honours) in Economics & Politics from the London School of Economics.