The document summarizes 10 principles of knowledge management according to Thomas Hayes "Tom" Devenport Jr., an expert in knowledge management. The principles are: 1) Knowledge management is expensive but requires investment; 2) Effective KM requires hybrid human-technology solutions; 3) KM is highly political; 4) KM requires knowledge managers; 5) KM benefits from markets over hierarchies; 6) Sharing knowledge is unnatural; 7) KM improves key processes; 8) Access is only the beginning, engagement is needed; 9) KM is ongoing; 10) KM requires addressing legal issues like intellectual property. Examples are given for each principle.