From October 21 to 25, 2024, the scientific training of assistant Luka Čotić in using of GC-MS in the analysis of volatile compounds took place at the Department for Biology, Faculty of Science, University of Split. Luka Čotić learned about the possibilities of using GC-MS in the analysis of volatile compounds of waste brewer’s yeast from the production of lager beer (Saccharomyces pastorianus) and ale beer (Saccharomyces cerevisiae) and improved his skills in preparing and analyzing the samples of waste brewer’s yeasts. The training was conducted by Prof. Valerija Dunkić, Head of the Laboratory of Botany at the Faculty of Science, University of Split, and Dr. Marija Nazlić, both collaboratores in the BeerBy-4-OliveFly project (HRZZ-IP-2022-10-9643).