RSM South Africa

Thilen Pillay
Regional Divisional Director

Office : Johannesburg
Service : Risk advisory
About Thilen

Thilen obtained his Honours Bachelor of Accounting Science from the University of South Africa and is a Certified Information Systems Auditor (CISA). 

He has extensive experience in internal audit and risk, principally in delivering internal audit and IT audit projects. This has included working with and managing local and international teams. He has experience in working internationally and across different sectors. He has managed and delivered a variety of financial and operational controls internal audit assignments. Thilen manages a portfolio of some of our key clients and is responsible for the development of the internal audit plan, scoping of individual audits and managing the delivery of the service.


  • Internal Audit
  • IT Risk assurance
  • IT Strategy reviews
  • SOX Compliance
  • Third Party assurance
  • Donor Funding Audits

Thilen has the following specific skills:

  • Internal and Financial Controls reviews
  • SOX Compliance reviews
  • Internal Audit (Outsourced/ Co-sourced)
  • Business Process Mapping and Gap Analysis
  • Outsourced Service Organisation compliance reviews and control environment reviews (SOC 1,2&3)
  • General and application controls review
  • Segregation of duty conflicts assessment in the information system
  • Data Analytics
  • Database security review


  • Member of ISACA
  • Member of the Institute of Internal Auditors (IIA)
  • Member of the Association of Chartered Certified Accountants (ACCA)


  • Bachelor of Accounting Science (Honours)
  • CISA