Dr. Manos Roumeliotis is Professor (ret. 2024) in the Department of Applied Informatics University of Macedonia, Thessaloniki, Greece. He completed his PhD studies in computer engineering from the Virginia Polytechnic Institute and State University, Blacksburg, VA, USA, in 1986. He was the Director of the CNST Lab. He has published more than 120 articles in refereed journals and at conference proceedings. His interests include digital logic simulation and testing, computer architecture and parallel processing, VR and serious gaming, and ancient technology.