Keynote Speaker at the Tunisian 5th International Conference on Digital Governance (EGOV 2018) by invitation from the Tunisian Management Science Society (TMSS). in Tunis, 27-29 April 2018. The conference aims to review the use of information and communication technologies to promote the governance of sustainable development. EGOV series always seeks to bring together decision-makers, researchers, civil society and the private sector to present their different views on current topics. For more information on the conference, please visit the conference page at www.tmss.tn.