Nowadays importance of knowledge is increasing day by day. Capital was a very important resource for firms in
past but today knowledge is the most important strategic resource for firms. Developments in information
technologies make knowledge even more important. Having knowledge and managing knowledge effectively
are very important for firms to gain competitive advantage in rapidly changing environment conditions. When firms have knowledge, they need to manage this knowledge effectively. Knowledge management effectiveness depends on capacity of firms about creating new knowledge and sharing or transferring current knowledge. Knowledge transfer facilitates organizational learning, offers financial advantages to firms and increases firms' performance. Knowledge's value rises when it is shared, transferred and internalized by employees. Because of its usefulness, understanding of how knowledge is transferred from one unit to another is very important.

The purpose of this study is determining the factors that affect knowledge sharing intention between individuals in organizations. The factors were investigated with a model, the variables are trust, self-efficacy, transactive memory system, organizational rewards and organizational structure. Transactive memory system’s mediating effect was also investigated. Model is tested with Structural Equation Modeling using SPSS Amos.