Nandi Siegfried is a South African public health specialist and has been an active member of the Cochrane Collaboration since 1998. She served as co-director of the South African Cochrane Centre until March 2004. Nandi is the Deputy Co-ordinating Editor of the Cochrane HIV/AIDS Review Group (CRG) and in partnership with the CRG established the successful African HIV/AIDS Mentoring Programme which aims to increase the number of HIV/AIDS reviews relevant to the African region.