Ioannis Antonellis was born in Patras, Greece in 1983. He graduated 'Peiramatiko' High School of Patras with 'Excelence of perfomance' during all of his school-years. While in High school he was honored by the Hellenic Mathimatical Union for his perfomance in local contests as well as the Hellenic Mathimatical Olympiads (1997, 1999, 2000). He enetered Computer Engineering and Informatics Department in 2001 and he is now in the 4th year of his studies. He has been award by the National Foundation of Scholarships during his three years of studies (2nd , 3nd, 1st-expected among 200) and he is also scholar of Zosima Scholarship Foundation. During his three years of undergraduate studies he has been working as network operator and system administrator to the Networks Operating Group of University of Patras (www.upnet.gr) and the Computer Center of CEID. He is also member of the Web - Databases Group of Computer Center of CEID and responsible for the Student's portal (my.ceid.upatras.gr). He has worked as web developer in WestNet A.E. and he is a part time engineer in Bytemobile Inc. European Developement Center(www.bytemobile.com). During 2004 he joined RD6 of CTI and he is now working for the SIG-GLUE project.