South Africa, Oct. 1 -- The line up of global leaders from as far afield as Dubai, Accra and London included Charl Bassil, chief brand officer of the BBC. His opening address was a heartfelt call to action for marketers to be brave, be kind and believe in the industry's ability to effect positive change.

Major Mandisa Mfeka, South Africa's first black female combat pilot, received a double standing ovation and inspired marketers to "not be afraid to go against the grain". Her message and many others, highlighting how creative bravery, resilience and integrity are challenging but necessary ingredients to building brands that make a real difference.

Jason Quinn, chief executive: Nedbank Group Limited and Khensani Nobanda, group executive:...