Dr. Dragan Ranković is a Senior Research Associate at the Vinča Institute of Nuclear Sciences, University of Belgrade, Serbia. He received his BSc, MSc, and PhD degrees from the Faculty of Physical Chemistry, University of Belgrade. He has supervised several MSc theses, contributed to the realization of six completed doctoral dissertations, and is currently the direct supervisor of a doctoral dissertation in its final stage. He is the author of Practicum in Atomic Spectrochemistry and has reviewed more than 25 manuscripts for international peer-reviewed journals. His research interests include atomic spectrochemistry, Laser-Induced Breakdown Spectroscopy (LIBS), laser-based material characterization, optical and spectroscopic methods, surface engineering and coatings, thin films, material performance optimization, multiscale material analysis, and experimental and numerical modeling.