As executive Director of the Joint United Nations Programme on HIV/AIDS (UNAIDS), Sidibé has led a global campaign for education and prevention as well as universal access to treatment for those infected with the virus.
Visiting South Africa at the height of the government's AIDS denialism, Sidibé argued for ending punitive laws everywhere that stigmatise those who contract HIV.
His current goal is for UNAIDS to eliminate mother-to-child transmission of HIV and halve tuberculosis-related deaths among people with HIV by 2015.
Sidibé has much to contribute in his native Mali, where his public-service career started in the 1980s with improving healthcare for Tuareg people in the north of the country.
His diplomatic experience and technical expertise are sorely needed in the country's growing crisis.
Our list of influential people in Africa will certainly be disagreed with. Why is this fantastic woman not included? How could this master-of-the-universe have been forgotten? This debate is certainly...