Thilen Pillay
Director: Risk Advisory


Thilen leads our Internal Audit, ERM and Technology Risk Advisory service lines. He has over 10 years of internal audit and risk experience, principally in delivering internal audit and controls projects. This has included working with and managing local and international teams. He has extensive experience of working internationally and across different sectors. He has managed and delivered a variety of financial and operational controls internal audit assignments. He manages a portfolio of some of our key clients from development of the internal audit plan through to scoping of individual audits and managing the delivery of the service.

As a Certified Information Systems Auditor (CISA) and Certified Internal Auditor (CIA), Thilen’s experience also extends to  providing a wide range of risk assurance services including audits of network security, IT/IS governance, disaster recovery, application and general control reviews, data analytics, ERP controls and data security.


  • Internal Audit
  • Business Risk Consulting
  • IT Risk Assurance
  • IT Strategy Reviews
  • SOX Compliance
  • Third Party Assurance
  • Donor Funding Audits
  • Security and Privacy

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 Organization compliance reviews and control environment reviews
  • IT General and application controls review
  • Segregation of duty conflicts assessment in ERP systems
  • Data Analytics
  • IT security reviews


  • Information Systems Audit and Control Association (ISACA)
  • Institute of Internal Auditors (IIA)
  • Association of Chartered Certified Accountants (ACCA)


  • B Compt (Hons)
  • CISA ( Certified Information Systems Auditor)
  • CIA (Certified Internal Auditor)