Christos Karelis is a PhD researcher in the area of urban sustainability and a member of the Information Systems Laboratory (ISLab) at the Department of Information and Communication Systems Engineering at the University of the Aegean, Greece, Samos. Christos is a graduate of Computer Science & Engineering, Department of Computer Science and Engineering (DCSE), University of Ioannina, and an alumna of the MSc in Digital Innovation and Startup Entrepreneurship, Department of Information and Communication Systems Engineering, University of the Aegean.

His academic interests include urban sustainability, citizen science, human-computer interaction, the principled development of clean software, and multidisciplinary approaches in information science.