Veljko Jankovic defended his MSc thesis entitled "Non-equilibrium optical conductivity in a system with localized electronic states" at the Faculty of Physics. The thesis was done in SCL under supervision of Dr Nenad Vukmirovic. The members of the thesis committee, Dr Mihajlo Vanevic, Assistant Professor at the Faculty of Physics, Dr Zoran Radovic, Professor at the Faculty of Physics, Dr Milan Damnjanovic, Professor at the Faculty of Physics, and Dr Nenad Vukmirovic, Associate Research Professor at the Institute of Physics, gave Veljko the highest mark for the content and the presentation of the thesis.