The academic activities of Roman Vavrek can be divided into several categories. His publications have been devoted to analyzing the use of multi-criteria methods in the public and private sectors involving a wide range of mathematical-statistical methods. He has been responsible for the implementation of international/national projects involving institutions from e.g. Poland, Ukraine, Czech Republic, or Slovakia. He has been conducting seminars and lectures since 2011 in the national (Slovak) and English languages. He has also completed several internships, research studies, and Erasmus mobility’s at home as well as abroad, e.g. Greece, Turkey, Romania, Spain, the United Kingdom.