The city's World Cup coordinator, Sibongile Mazibuko, says volunteers must be friendly, multi-lingual and able to deal with potentially difficult fans.

VOA: standard.2010.03.26

Researcher Sibongile Perfile said that nature was the source for many of the world's most influential medicines.

BBC: Patent protection for traditional African remedies

The Center was founded by Sibongile Mazibuko who was moved to take action when her own son was diagnosed with HIV.

WHITEHOUSE: Travels with The First Lady: Africa

"Johannesburg is using the World Cup as a springboard to accelerate the city's development schedule agenda and to initiate projects that will provide a lasting legacy for its citizens, " says Sibongile Mazibuko, Johannesburg's executive for 2010.

BBC: World Cup to kick off SA economy