Dr. Dimitrios Vogiatzis holds a first Degree in Computer science from the Department of Computer Science, University of Athens, an MSc in Knowledge Systems from the University of Edinburgh and a PhD from the Dept. of Electrical and Electronic Engineering at the National Technical University of Athens. He has been involved over the past 12 years in research in the area of computational intelligence, neural networks, user modelling, and recommender systems. Recently he has been interested in methods for social network analysis in multipartite networks.