He began his academic journey in 2001 by enrolling in the postgraduate scientific study “International Economics” at the Faculty of Economics and Business in Zagreb. He passed the prescribed exams with an average grade of 4.9, and defended his master’s thesis in 2005. His master’s thesis earned him recognition from the Croatian Association of Accountants and Financial Workers in Zagreb in 2006. In 2008, continuing his scientific journey, associate professor Koški, PhD defended his doctoral dissertation at the Faculty of Economics and Business in Osijek, which earned him an award and recognition from the Croatian Association of Accountants and Financial Workers. His scientific career was recognized through five more prestigious awards, including the recognition of the Croatian Association of Accountants and Financial Workers and the award of the mayor of the city of Osijek prof. Zlatko Kramarić, PhD for the best graduate student of the Faculty of Economics and Business in Osijek.
