Jozef is a PhD economist professor at Lazarski University in Warsaw, with expert knowledge of economic semiotics, information infrastructure, official statistics, and trans-border statistics. He was, director of the Research Center of Statistics of the CSO Poland (1974-1991), chair of the UN Statistical Commission (1994-1995), chair of the Joint Working Group on standardization in official statistics of the Statistical Computing Project of UNDP and CES, chair of the task force of the Conference of European Statisticians for elaborating the draft of the Fundamental Principles of Official Statistics (1989-1991), advisor to the Governor of the National Bank of Poland on information infrastructure and statistics of financial sector (1996-2005), and president of the CSO Poland (1992-1995, 2006-2011). He is a member of the International Statistical Institute and Statistical Advisory Board of the Higher School of Economics in Moscow and has authored over 300 scientific and professional publications, with special reference to design and organization of statistical surveys, statistical meta-information standards and systems, trans-border statistics.