Ioannis Kalligeros was born in Kalamata, Greece in 1982. He entered Computer Engineering and Informatics Department in 2002. In 2009, he completed his diploma thesis on the subject of efficient Anycast Routing on Grid Networks over Optical Bursts Switching. He is currently a postgraduate student on Electronics and Information Processing at University of Patras' Physics Department. He is a member of Research Unit 6 since Octomber 2009 as a software engineer and he is part of GRNet's Autobahn developer team. His main interests are Java, C++ and PHP programming, web services and Web 2.0 technologies.