Mario Weber, M.Sc., completed his postgraduate studies in Electrical Engineering at the Faculty of Electrical Engineering, University of Zagreb. Mr. Weber has been employed at HAKOM since 2009 at the Communication Services Department as Department Manager. Before HAKOM, he was employed in industry working on software development for the IMS system at various positions, from software designer to manager. He is the author of many scientific papers and a co-author of the IP Multimedia Subsystem (IMS) handbook.