Charalampos Alexopoulos (male) is a senior researcher and an adjunct lecturer at the Department of Information and Communications Systems Engineering at the University of the Aegean, teaching Smart Cities Technologies, Big, Open and Linked Data Management, Interoperability and Digital Governance. He is also a founding member of the Digital Government Research Center of the University of the Aegean, working on HORIZON, CEF, ERASMUS and National funded research and pilot application projects for governments and enterprises. He is the course manager of the University of the Aegean Summer Schools on “Open & Collaborative Governance” and “Big Data Analysis on Earth Sciences”. In 2015, Harris was ranked as one of the most prolific researchers in open data research by Hossain, Dwivedi and Rana (2015).