Prof Tshilidzi Marwala, University of Johannesburg Vice-Chancellor, was among a panel of three experts on data analytics, social media and sustainability, who took part in a discussion on efforts to meet the United Nations’ Global Goals in today’s unprecedented big data environment, at the World Academy of Science at Trieste in Italy on Thursday, 29 November 2018. Marwala, who is a leading fourth industrial revolution expert, gave a presentation entitled “Decision Making with Incomplete Information”.