Theodore Chaikalis received the B.Sc. and M.Sc. degrees in Applied Informatics from the University of Macedonia, in 2007 and 2009, respectively. He is currently working toward the Ph.D. degree in the Department of Applied Informatics at the University of Macedonia under the supervision of Dr. Alexander Chatzigeorgiou. His research interests include object-oriented design and quality metrics, exploitation of graph theory in software engineering and software evolution simulation. He is a student member of the IEEE.