Professor Helen Rees OBE GCOB[1] D.Sc. Medicine (honoris causa) LLD (honoris causa)[2] is a medical doctor, and the founder and executive director of Wits RHI, the largest research Institute at the University of the Witwatersrand in Johannesburg, South Africa. She is a Personal Professor in the University of Witwatersrand's Department of Obstetrics and Gynaecology, co-director and co-founder of the Wits African Leadership in Vaccinology Expertise (ALIVE[3]), Honorary Professor in the Department of Clinical Research at the London School of Hygiene and Tropical Medicine and an Honorary Fellow at Cambridge University's Murray Edwards College, UK.