Professor of Information Technology at Information Technology School ITS, Belgrade, Serbia. Dr. Aleksandar Simović has received his Ph.D. at the Faculty of Organizational Sciences, University of Belgrade. The main focus of the Dissertation is the development of Big Data infrastructure and Smart services that enable intelligent searches and content-aware recommendations. Data Scientist and IT Strategist with 10+ years of experience in the IT industry and 10+ years of teaching experience in higher education. He is a member of the IEEE and the IEEE Computer Society. His research interests include Information Technologies, Information Systems, Data Science, Big Data Analytics, and Smart Systems, resulting in 5 books and 20+ published papers.