Dr Dragan Rajnović is an Associate Professor and Head of the Chair of Materials and Joining Technologies at University of Novi Sad, Faculty of Technical Sciences, Department of Production Engineering, Trg D. Obradovića 6, 21000 Novi Sad, Serbia. Prof. Rajnovic graduated from the University of Novi Sad, Faculty of Technical Sciences and received his Dipl. Eng. degree (BSc with honors, 5 year study program) in the field of Production Engineering in 2000. After graduation, as an outstanding student, he started his scientific career at the Department of Production Engineering, Faculty of Technical Sciences, Novi Sad, as a Teaching Assistant in the field of Material Sciences and Engineering. He defended his Masters thesis in 2009 and his Doctoral thesis in 2015 in Materials Science and Engineering Materials. Since 2015, he has worked at the Faculty of Technical Sciences in the position of Assistant Professor and, from 2020, in the position of Associate Professor for the group of subjects in the field of Material Sciences, Engineering Materials, and Joining Technologies. His field of interest is microstructural properties' relationships in both conventional engineering materials (ferrous and non-ferrous alloys and weldments) and advanced materials (ADI materials, ceramics, composites) and the variety of characterization techniques (mechanical tests, wear tests, image analysis, SEM, TEM, and EDS) used for such investigations. He is a member of the European Microscopy Society.