Wiehann Olivier Partner – FinTech & Digital Assets Lead

Wiehann Olivier

Wiehann is a Partner and FinTech & Digital Assets Lead for Forvis Mazars in South Africa.


Wiehann joined Forvis Mazars in 2010 after completing his Accounting Degree at the University of Stellenbosch he then obtained his Honours Degree in Accounting and Auditing from the University of South Africa and qualified as a Chartered Accountant (SA) in 2014.

Wiehann obtained experience in commerce working for the Apex’s (previously Maitland) Private Equity and Real Estate division and international experience working for Forvis Mazars New York. Wiehann services a variety of clients in various industries, with a focus on FinTech & Digital Assets. He has featured in various South African and International publications, television interviews and online webinars for his expertise and thought leadership in the  FinTech & Digital Assets sectors.

Wiehann holds a Master of Science degree in Blockchain and Digital Currencies, is a PhD candidate, and also forms part of Forvis Mazars South Africa’s Innovation Committee. He has completed two executive programs: one on Blockchain Technologies at MIT and another on Artificial Intelligence at Oxford University. His experience in the FinTech & Digital Assets industry includes consulting and assurance engagement services for exchanges, custodian wallets, commercial banks, listed entities, OTC and arbitrage platforms, across-border payment and remittance platforms, ERC20 fund structures, traditional payment platforms and alternative asset investment platforms in Germany, Hong Kong, Mauritius, South Africa, Switzerland, Sweden, Singapore, the UAE, UK, and the US.

Wiehann has experience in auditing clients involved in the following sectors/industries:

  • Digital Assets (Cryptocurrencies)
  • FinTech
  • Financial Services
  • Private Equity and Property Funds
  • Renewable Energy 

Professional memberships

  • SAICA (South African Institute of Chartered Accountants)
  • IRBA (Independent Regulatory Board of Auditors)
  • JSE Registered Auditor

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