Dr. Jassim Haji

Helen D. Karatza

Helen D. Karatza (senior member of IEEE, ACM, SCS) is a Professor Emeritus in the Department of Informatics at the Aristotle University of Thessaloniki, Greece. Dr. Karatza's research interests include cloud, fog and mist computing, energy efficiency, fault tolerance, resource allocation, scheduling algorithms and real-time distributed systems. Dr. Karatza has authored or co-authored over 240 technical papers and book chapters, including seven papers that received the best paper award at international conferences. She served as an elected member of the Board of Directors at Large of The Society for Modeling and Simulation International. She served as chair and keynote speaker in international conferences. Dr. Karatza is the Editor-in-Chief of the journal “Simulation Modelling Practice and Theory” (Elsevier), an Editor of “Future Generation Computer Systems” (Elsevier), an Associate Editor of “IEEE Transactions on Services Computing” and an Editor of “Cluster Computing” (Springer). She also served as Editor-in-Chief of “Simulation Transactions of The Society for Modeling and Simulation International”, Associate Editor of “ACM Transactions on Modeling and Computer Simulation” and Senior Associate Editor of the “Journal of Systems and Software” (Elsevier). She served as Guest Editor of Special Issues in several international journals. More info about her activities and publications can be found at: https://users.auth.gr/karatza/.