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Meet the Experts
30 November 2026
London, UK

Riana Wiesner
Technical Director at IASB
Speaker

Profile

Riana Wiesner is a Technical Director at the International Accounting Standards Board, leading the Financial Instruments team. Before joining the organisation, she was a partner at EY in South Africa leading the Financial Accounting Advisory Services team in the Financial Services Sector. Prior to that, Riana was the Head of Accounting Policy for Europe, Middle East and Africa at HSBC. She was part of the IFRS 9 project team at the IASB previously and also held technical accounting roles at Barclays and Deloitte in the UK.