Ognjen Prnjat, PhD. (M), holds the position of European and Regional e-Infrastructure manager in the Greek Research and Technology Network. In this role he is responsible for the overall GRNET involvement in pan-European and worldwide e-Infrastructures. He is also organizing various aspects of e-Infrastructures in the South-East European region and beyond, their sustainability and seamless integration in pan-European e-Science infrastructure. In the past 12 years he has acted as project coordinator for 6 EC projects in the field, focusing on e-Infrastructure development in South East Europe and now also Eastern Mediterranean. Previously Ognjen was with the Department of Electronic and Electrical Engineering, University College London, where as a Research Fellow he was leading technical and project management aspects of a number of EC ACTS/IST and UK EPSRC projects in diverse fields of computing and telecoms. He holds a Bachelor of Eng. Degree in Electronics and Electrical Eng. (First Class Honors) from University of Surrey, UK, 1995; MSc (Distinction), 1996, from University College London; and Ph.D. in Telecoms from UCL, 2001.