Panagiotis Kranidiotis: He is a member of the Board of GFOSS. From September 2009 until February 2013 he participated as a partner with the e-Government Group of the Office of the Prime Minister as a responsible of the infrastructure and the security systems. With important role in the design and requirements analysis of the project ΔΙΑΥΓΕΙΑ, he was also responsible for the maintenance for the period of the first 3 years, and for all infrastructure on which it was implemented. He has also participate as a research associate at the research group on Cloud, Technology, Economic Analysis and Strategy of Information Society that operates within the Laboratory of Industrial and Energy Economics