Dr. Aleksandar Ž. Kostić is an Associate Professor and Chair of Chemistry and Biochemistry at the Faculty of Agriculture, University of Belgrade, teaching different Chemistry courses. His research area is focused on phytochemistry (with special emphasis on pollen chemistry and nutrition and bioactive compounds in plant materials), food chemistry, water chemistry, health risk assessment for humans expressed through food and water consumption, and polyacrylic hydrogels. Until now, he has authored and co-authored more than seventy scientific papers in total (twenty-five peer-reviewed articles), two university textbooks, and two student handbooks. His articles have been cited more than 900 times, and his h-index is 17 (Scopus). He is a reviewer for top International Journals such as Trends in Analytical Chemistry, Biomolecules, Phytochemistry, Phytochemical Analysis, Food Chemistry, Food Hydrocolloids, Talanta, International Journal of Molecular Sciences, Journal of the Science of Food and Agriculture, Biomolecules, Journal of Functional Foods, Molecules, Foods, Journal of Food Composition and Analysis, Plant Physiology and Biochemistry, Toxins, Polymers, Pharmaceutics, LWT-Food Science and Technology, Chemistry & Biodiversity, etc. He is a member of the Serbian Chemical Society, the International Bee Research Association (IBRA), IHC (International Honey Commission) expertise group for pollen, and the Society for Medicinal Plant and Natural Product Research.