Why do people share their knowledge? Who and what inspires them to do it especially within organizations in Hungary and in Central-Eastern Europe? The objective of this paper is to gain an understanding of knowledge sharing. After the introduction of the importance of sharing knowledge, a brief description will be given of knowledge sharing and its drivers and barriers. This is followed by an account of knowledge sharing research (International Mapping of Knowledge Sharing Excellence) conducted by the University of Pannonia, Department of Management and Alcoa Foundation. The paper ends with a short conclusion about the initial test results of the research.