Dariusz Kruglej holds a university degree; he graduated from the Faculty of Finance and Banking of the University of Economics in Katowice with a Master of Economics degree, Faculty of Technology of the University of Silesia with a Master in IT Systems Designer degree andpostgraduate studies based on the MBA structure of the Warsaw School of Economics. He completed numerous trainings in the field of finance and passed the exam for candidates for members of supervisory boards in State Treasury companies before the examination committee at the Ministry of Treasury. In his 25 years of professional career, he held positions on boards of directors and supervisory boards of manufacturing, trade and service companies.