Marwala, Tshilidzi: - PROFESSOR TSHILIDZI MARWALA is the vice-chancellor and principal of the University of Johannesburg. A professor of Electrical Engineering, Marwala is a leading thinker in artificial intelligence and was the chair of System Engineering at the University of the Witwatersrand. A respected academic and author, Marwala has served as a trustee of the Nelson Mandela Foundation and as a councillor at the National Advisory Council on Innovation. He is now deputy to President Cyril Ramaphosa on the South African Presidential Commission on the Fourth Industrial Revolution.