Stefan Djordjevic is a researcher-trainee at the Physics Department of the Faculty of Science and Mathematics in Niš. After obtaining his high school diploma, he decided to dedicate himself to his passion - physics. He enrolled in studies at PMF in Niš and is currently a third-year student of doctoral academic studies in physics. The focus of his research and development lies in the area of testing the energy efficiency of solar modules. His passion for solar energy and sustainable development motivates him to work on solving current energy challenges and contribute to a better future. He is always open to new knowledge and readily accepts the challenges presented to him.