Jack Ma, the founder and executive chairman of Alibaba Group gives lectures to young entrepreneurs in Nailab. [Photo by Pan Zhongming/chinadaily.com.cn]

Ma was expected to be part of a business roundtable hosted by the Kenya Private Sector Alliance and the UN conference. It will be followed by a speech by Ma at the University of Nairobi.

Ma's trip to Africa also will take him to Rwanda, where the YouthConnekt Africa Summit will be held in the capital Kigali with the theme Realizing Africa's youth potential.

He Wei contributed to the story