Giorgos Kollias received the BSc in Physics in 2000 and the MSc in Computational Science in 2002 from the University of Athens, Greece, and the PhD in Computer Science from the University of Patras, Greece, in 2009. He is currently a Postdoctoral Researcher in the Center for Science of Information and the Computer Science Department at Purdue University, USA, working with A. Grama and W. Szpankowski. His research interests include dynamical systems, Problem Solving Environments, numerical linear algebra, asynchronous iterative methods, graph analysis and parallel computing.