Brett Dawson was appointed Group CEO of Dimension Data in March 2004. He joined Dimension Data in 1997 and has held numerous positions within the Group. He first acted as Financial Director of the Group joint venture, OmniLink. Following the merger of OmniLink and Internet Solutions, Brett was appointed CEO of Internet Solutions. In September 2001, he relocated to take on the role of Chief Financial Officer of Dimension Data North America. In October 2002, he was appointed to the role of Chief Operating Officer.

In February 2011, Brett was appointed to the board of Keane International Inc. Prior to joining Dimension Data, Brett was responsible for corporate strategy and planning at National Brands Limited and held corporate finance positions at Anglovaal Limited and KPMG. Brett is a Chartered Accountant.