Brenda Wortley was the first chairperson of the AMF. She has served on the SAARF board since 1998 and has played a key role on the MIT task team. Brenda negotiated the solution of the Caxton/SAARF impasse and has made critical presentations to the Parliamentary Portfolio Committee on Racism in Industry and was also instrumental in launching Mindshare. She was a finalist in the 2003 Sasol Women in the Media awards.

Wortley is a media specialist with more than 18 years experience in the media world, with most of this time spent on the media agency side of the business. She headed up the media department of JWT and was instrumental in the formation of MindShare, serving as the media agency's joint-MD during its first year of operation.

She has been involved in broad industry affairs, and particularly with SAARF, for a number of years. Wortley has served on the SAARF board for ten years representing both the Advertising Media Forum (AMF) and the NAB. She has also chaired the AMF and its predecessor organisation twice in the past ten years.