This article constitutes a detailed case study on the evolution on the personnelfunction in Zywiec Group that followed from the restructuring of the memberbreweries of the capital group. It covers the process of integration of the Groupand changes to the human resources management system. It also contains theoreticalreflections upon the role of HR specialists in the process of the integrationof the companies. The organization of the personnel function has been presentedhere against a period spanning 3 years of GØ activity (wider range of HR responsibility,increase in the number of specialists employed in HR, lower age, higherlevel of education).