Nikola Radojkovic was born in Čačak, Serbia in 1984. He received his BSc and MSc in Technical science and Informatics from Technical faculty in Čačak, University of Kragujevac. His Master thesis and research was dedicated to Renewable energy sources with an accent to use specific software in calculation and reduction energy efficiency in school bulidings. Currently, unfortunately he left us after spending 1 year as a PhD student involved in the iCARE project at the Computer Architectures for Embedded Systems(CAES) of the University of Twente. His research interests are modeling heating and cooling characteristics of buildings.