Assistant Professor at the Faculty of Economic Sciences of the University of Warsaw. An expert in the use of R and SAS software for effective data processing and advanced statistical / econometric modeling. A graduate of WNE UW and Katholieke Universiteit Leuven (Belgium). Has many years of professional experience of a quantitative analyst in the financial, telecommunications and marketing research industries. In addition, he is distinguished by many years of didactic experience, both academic and commercial. He is the author and co-creator of many academic courses, as well as practical workshop trainings for numerous companies and public sector institutions, in fields directly related to Data Science: advanced programming in R and SAS, statistics, econometrics and machine learning. Author, head and lecturer at postgraduate studies “Statistical methods in business. Workshops with SAS software “ (since 2008) and post-graduate studies “Data Science in business applications. Workshops using the R program (from 2017). He is scientifically involved in analyzes of regional convergence and inequality, and quantitative finance. In addition, he is the contractor and manager of research projects financed by the European Commission, the National Science Center and the Ministry of Regional Development. Author of numerous scientific publications using various tools for quantitative data analysis, including a co-author of a textbook on the R program (“Quantitative Methods in R. Economic and Financial Applications”). In his free time he likes to travel without rush, read to himself and children and fold rhymes. He still believes that he will find time to learn new languages.