Justin Jeffrey Williams

Executive: Group information Security, MTN, South Africa

As Group CISO, Justin Williams has led the Group Security function of MTN for the last seven years. During this time he established the Group Security function and transformed security across the organization. He was previously an Executive Director at EY responsible for Cybersecurity, having spent 19 years with the firm in various IT and information security roles. Williams also headed up information security at Transnet for three years, where he
established the function, defined the strategy, and rolled out Transnet's information security program for the group.
Williams is a CA (SA), MBA, CISSP, CRISC and CGEIT. He has been recognised as a Global Top 100 Leader in Information Security (Corinium), is a previous Audit Committee and Board Member for ISACA South Africa, an Advisory Board Member and was also awarded the Thomas H. Fitzgerald Award for achieving the highest score in the world for the December 2014 CISA exam.

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