This research is elaborating the relationship between intrinsic factors that is represented by extraversion components of personality and perceived organizational support in driving employee intention to share knowlege. The main research questions is which factor that dominantly drive knowledge sharing intention. A survey of is conducted and quantitative data is analyzed using structural equation modeling. The result shows that perceived organizational support has a stronger effects in influencing knowledge sharing intention compare to extraversion components of personality. After elaborative presentation of data analysis, discussion and further research are provided.