This thesis consists of seven chapters, which explore employee motivation towards intraorganizational knowledge sharing. In the introductory chapter the research question of the thesis, its theoretical and methodological grounding as well as the overall findings are outlined. The introductory chapter is followed by a collection of five research papers. Although all five papers address the overall research question they each investigate more specific questions related to employees’ motivation to engage in knowledge sharing and as such they explore the role of motivation from different angles. Finally, a concluding chapter emphasizes the findings across the five research papers, discusses their limitations as well as highlights potential avenues for future research.