The diversity of studies published in the past two decades in the area of entrepreneurship expresses the effort promoted by corporations and societies to search new ways of acting and to face the challenge of the hostile macroeconomical environment and, in consequence, of the continuous changes scenery. While the corporations rethink their hiring, development and professional retention practices, more and more people look for labor alternatives and social and professional growing conditions in face of the changes in the labor relations. Due to the complexity of this context and the existing difficulties to define clearly the conditions which conduce to the generation of the entrepreneur competences, this study aims to describe how the professional experience in a formal job contributes for the development of certain competences necessary for the individual who assumes the entrepreneur condition in his/her professional activity. This study was based on interviews developed with individuals living in the city of Rio de Janeiro, who changed from employees to managers of their own careers. The results reveal that the entrepreneur`s competences here studied, which are also valued by the corporations` discourse towards their employees, can be helped by them through the creation of an autonomous environment, a performance management which make the individuals have more aptitude in dealing with goals and objectives, an easy-making communication, a politics for the fault management, the knowledge dissemination and initiatives which promote innovation.