This study aims to examine how professionalization and commercializationinfluence the culture of the organization in a non-profit association. The studyobject is the elite preparatory activity in a sports organization. Therespondents in this study consist of head coaches, coaches and leaders inmanagerial positions who together have contributed to empirical material inthe form of qualitative data. The results were then analyzed out of Schein'stheory of organizational culture and the three cultural levels. The conclusionstated that artifacts and espoused values were identifiable in theorganizational culture based on Schein's theory. However, the underlyingassumptions were more difficult to understand. A connection that indicates aprofessionalization and commercialization of the non-profit activity could bepointed out.