This paper aims to study the relations between some variables involved in professional success. The coverage is one of great concern to not only specialists in different fields (e.g. management, psychology), but also to the individuals themselves. We have chosen as determinants of a successful career: global aspects of personality and proactive personality. This paper is a comparative study between a group of 120 subjects including 18 engineers in the petrochemical industry, 28 chemical engineers, 14 engineers from textiles industry and a group of 60 students from Transilvania University of Brasov.
