Hatem Ben Sta is a Computer Science Engineering, PhD. He’s a Professor, Doctor, at University of Tunis at El Manar, Associate Professor at Faculty of Science and Engineering, Laval University, Canada. He was a Visiting Professor at many Universities and Research Centers. He was involved in the following project as an Expert for European Project FP7, H2020.  He graduated as a PhD Student in Computer Science from Ecole Centrale of Paris in August 2006. His research focuses on Software Engineering, Knowledge Management, Semantic Web and Ontology, Interoperability Techniques, Smart Cities, Machine Learning, and Big Data. He is the author of several articles and Journals. He was the Co-chair and Chair of several international conferences. He has more than 40 papers published at very famous conferences and more than 10 papers published in journals. His last publication is on EDUCON 2022 conference. He was/is the supervisor of more than 25 Master's degree projects and Supervisor and co-supervisor of more than 11 thesis.