Joining WHK in 2007, Willie was originally based from the firms Armidale office. He then relocated to Coffs Harbour to work within the Audit team. His academic career began at the University of Pretoria in South Africa having gained his initial qualifications he then went on to become a Professor at the University of South Africa. In conjunction with teaching he authored and co-authored a number of professional texts, three of which are prescribed university texts.

Willie is a registered Chartered Accountant in both South Africa and Australia. He specialises in Audit, Self Managed Superannuation and Estate and Succession Planning.